./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm --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 7f73abe50a425917d2dd4066f1792742190b4ae9dbdaa6d6431079d0ef1d76a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:51:07,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:51:07,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:51:07,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:51:07,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:51:07,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:51:07,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:51:07,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:51:07,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:51:07,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:51:07,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:51:07,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:51:07,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:51:07,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:51:07,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:51:07,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:51:07,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:51:07,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:51:07,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:51:07,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:51:07,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:51:07,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:51:07,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:51:07,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:51:07,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:51:07,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:51:07,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:51:07,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:07,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:51:07,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:51:07,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:51:07,914 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:51:07,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:51:07,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm 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 -> 7f73abe50a425917d2dd4066f1792742190b4ae9dbdaa6d6431079d0ef1d76a5 [2024-11-13 21:51:08,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:51:08,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:51:08,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:51:08,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:51:08,317 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:51:08,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c Unable to find full path for "g++" [2024-11-13 21:51:10,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:51:10,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:51:10,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c [2024-11-13 21:51:10,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data/7679fda84/c697e2f4ea4d4ba2adc7d15d948d2cda/FLAG6e7c3b2a2 [2024-11-13 21:51:10,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data/7679fda84/c697e2f4ea4d4ba2adc7d15d948d2cda [2024-11-13 21:51:10,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:51:10,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:51:10,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:10,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:51:10,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:51:10,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:10" (1/1) ... [2024-11-13 21:51:10,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecde773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:10, skipping insertion in model container [2024-11-13 21:51:10,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:51:10" (1/1) ... [2024-11-13 21:51:10,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:51:11,034 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_6d9e1cf5-a3bb-4809-9907-599e181dd267/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c[537,550] [2024-11-13 21:51:11,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:11,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:51:11,091 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_6d9e1cf5-a3bb-4809-9907-599e181dd267/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c[537,550] [2024-11-13 21:51:11,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:51:11,132 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:51:11,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11 WrapperNode [2024-11-13 21:51:11,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:51:11,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:11,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:51:11,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:51:11,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,170 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-13 21:51:11,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:51:11,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:51:11,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:51:11,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:51:11,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:51:11,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:51:11,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:51:11,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:51:11,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:51:11,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:51:11,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:51:11,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:51:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:51:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:51:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:51:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:51:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:51:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:51:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:51:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:51:11,363 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:51:11,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:51:11,641 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:51:11,641 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:51:11,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:51:11,731 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:51:11,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:11 BoogieIcfgContainer [2024-11-13 21:51:11,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:51:11,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:51:11,736 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:51:11,751 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:51:11,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:51:11" (1/1) ... [2024-11-13 21:51:11,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:51:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 21:51:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 21:51:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:51:11,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:51:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2024-11-13 21:51:12,517 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2024-11-13 21:51:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:51:12,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:12,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:51:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-11-13 21:51:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-11-13 21:51:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:13,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:13,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:13,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:14,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:14,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:14,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:14,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:15,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:15,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:15,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:15,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:15,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:15,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:15,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:15,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:16,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:16,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:16,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:16,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:16,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:16,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:16,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:16,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:16,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:17,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:17,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:17,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:17,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:17,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:17,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:27,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:51:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:27,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:27,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:27,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:27,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:27,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:27,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:27,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:27,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:27,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:27,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:27,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:28,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:51:28,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:51:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:28,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:28,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:28,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:28,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:28,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:28,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:28,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:28,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:28,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:28,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:28,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:51:28,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:51:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:51:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:51:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:51:28,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:28,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:28,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:51:28,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:51:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-11-13 21:51:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-11-13 21:51:29,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:51:29,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:29,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:29,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:51:29,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:30,089 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:51:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 90 transitions. [2024-11-13 21:51:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2024-11-13 21:51:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:51:31,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:31,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:31,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:51:31,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 21:51:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 93 transitions. [2024-11-13 21:51:32,077 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2024-11-13 21:51:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:51:32,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:32,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 21:51:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 98 transitions. [2024-11-13 21:51:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2024-11-13 21:51:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:51:34,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:34,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:34,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:51:34,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 21:51:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 111 transitions. [2024-11-13 21:51:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2024-11-13 21:51:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:51:36,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:36,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:36,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:51:36,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 21:51:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 119 transitions. [2024-11-13 21:51:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 119 transitions. [2024-11-13 21:51:37,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:51:37,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:37,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 21:51:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 128 transitions. [2024-11-13 21:51:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2024-11-13 21:51:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 21:51:39,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 21:51:47,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 72 states and 142 transitions. [2024-11-13 21:51:47,122 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2024-11-13 21:51:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:51:47,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:47,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:51:47,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:53:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 71 states and 140 transitions. [2024-11-13 21:53:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 140 transitions. [2024-11-13 21:53:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:53:05,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:05,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:53:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:05,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:53:05,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 21:53:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 70 states and 137 transitions. [2024-11-13 21:53:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2024-11-13 21:53:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:53:47,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:47,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:53:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:47,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:53:47,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:55:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 75 states and 151 transitions. [2024-11-13 21:55:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 151 transitions. [2024-11-13 21:55:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:55:34,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:34,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:35,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:55:35,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:56:12,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:22,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:33,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:33,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:34,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:56:34,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 30 proven. 31 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:56:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:35,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:35,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:35,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:36,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:56:36,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:56:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:37,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:37,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:56:37,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 29 proven. 30 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 21:56:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:38,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:38,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:38,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:56:38,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:56:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:40,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:40,062 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:40,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:40,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:40,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:40,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 21:56:40,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 31 proven. 37 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 21:56:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:55,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:55,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:55,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:56,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:56:56,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:56:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:57,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:57,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:57,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 21:56:57,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 21:56:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:56:58,916 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:56:58,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:56:58,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:58,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:02,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 21:57:02,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 33 proven. 28 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:57:02,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:02,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:02,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:02,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:03,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:57:03,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:14,595 WARN L286 SmtUtils]: Spent 10.35s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:57:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 21:57:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:14,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:14,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:16,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:57:16,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 21:57:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:29,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:29,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:29,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:31,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 21:57:31,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 31 proven. 37 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 21:57:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:32,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:32,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:32,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 21:57:32,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:33,966 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:57:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:34,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:34,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:34,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:34,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 21:57:34,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:57:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:37,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:37,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:37,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:57:37,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:57:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:38,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:38,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:39,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:57:39,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:57:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:41,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:41,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:57:41,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:57:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:42,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:43,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 21:57:43,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 31 proven. 42 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 21:57:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:44,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:44,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:46,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:57:46,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 29 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:57:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:47,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:47,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:47,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:57:47,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 29 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:57:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:49,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:49,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:57:49,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 30 proven. 31 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:57:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:50,786 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:50,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:50,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:51,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:57:51,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:57:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:52,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:52,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:52,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:57:52,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:57:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:53,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:53,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:53,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:54,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 21:57:54,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 29 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:57:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:55,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:56,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:57:56,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:57:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:57,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:57,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:57,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:58,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:57:58,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 29 proven. 30 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 21:57:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:57:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:57:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:57:58,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:58,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:59,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:57:59,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:58:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:00,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:00,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:00,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:00,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:58:00,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-13 21:58:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:01,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:01,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:04,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:58:04,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 21:58:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:05,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:05,751 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:05,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:05,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:06,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 21:58:06,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:07,898 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 38 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:58:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:07,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:09,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:58:09,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 21:58:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:10,526 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:10,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:10,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:10,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:58:10,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 21:58:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:11,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:11,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:12,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:58:12,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:58:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:12,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:12,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:13,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:58:13,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-13 21:58:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:14,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:14,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:14,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:58:14,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 29 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:58:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:15,733 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:15,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:15,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:15,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:58:15,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 30 proven. 31 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:58:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:16,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:17,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:58:17,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 21:58:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:29,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:29,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:31,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:58:31,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:58:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:32,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:32,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:32,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:58:32,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 30 proven. 31 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:58:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:33,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:33,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:34,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 21:58:34,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 41 proven. 29 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:58:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:52,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:52,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:52,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:58:52,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-13 21:58:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:53,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:53,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:53,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:53,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:58:53,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 30 proven. 31 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:58:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:54,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:54,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:54,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:55,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 21:58:55,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 31 proven. 37 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-13 21:58:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:56,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:56,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:57,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 21:58:57,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:58:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:58:58,081 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:58:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:58:58,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:58,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:03,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 21:59:03,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 35 proven. 24 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 21:59:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:04,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:04,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:04,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:59:04,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 21:59:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:06,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:06,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 21:59:06,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:10,251 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:59:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:10,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:10,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:11,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:59:11,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:59:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:12,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:12,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:59:12,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:59:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:13,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:13,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:13,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:14,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:59:14,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 21:59:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:15,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:15,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:15,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:16,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:59:16,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 40 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:59:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:18,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:18,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:19,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:59:19,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:59:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:20,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:20,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:21,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 21:59:21,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-13 21:59:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 169 transitions. [2024-11-13 21:59:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 169 transitions. [2024-11-13 21:59:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:59:21,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:21,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:59:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:31,936 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) [2024-11-13 21:59:31,941 INFO L158 Benchmark]: Toolchain (without parser) took 501106.82ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 93.1MB in the beginning and 120.9MB in the end (delta: -27.8MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-13 21:59:31,942 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 41.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:31,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.18ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:59:31,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:31,942 INFO L158 Benchmark]: Boogie Preprocessor took 23.02ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.8MB in the end (delta: 445.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:31,943 INFO L158 Benchmark]: RCFGBuilder took 539.45ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 66.9MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:59:31,943 INFO L158 Benchmark]: CodeCheck took 500205.04ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 66.9MB in the beginning and 120.9MB in the end (delta: -54.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-13 21:59:31,945 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 1.15ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 41.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.18ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.68ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.02ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.8MB in the end (delta: 445.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.45ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 66.9MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 500205.04ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 66.9MB in the beginning and 120.9MB in the end (delta: -54.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:59:32,154 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:59:32,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm --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 7f73abe50a425917d2dd4066f1792742190b4ae9dbdaa6d6431079d0ef1d76a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:59:34,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:59:34,769 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:59:34,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:59:34,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:59:34,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:59:34,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:59:34,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:59:34,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:59:34,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:59:34,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:59:34,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:59:34,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:59:34,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:59:34,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:59:34,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:59:34,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:59:34,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:59:34,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:59:34,828 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:59:34,828 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:59:34,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:59:34,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:59:34,829 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:59:34,829 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:59:34,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:59:34,829 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:34,829 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:59:34,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:59:34,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:59:34,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:59:34,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:59:34,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:59:34,830 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:59:34,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:34,831 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:59:34,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm 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 -> 7f73abe50a425917d2dd4066f1792742190b4ae9dbdaa6d6431079d0ef1d76a5 [2024-11-13 21:59:35,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:59:35,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:59:35,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:59:35,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:59:35,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:59:35,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c Unable to find full path for "g++" [2024-11-13 21:59:37,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:59:37,465 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:59:37,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c [2024-11-13 21:59:37,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data/116265f85/6b272beac7ce4b2e9935b94d4c351419/FLAG5c48bf922 [2024-11-13 21:59:37,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/data/116265f85/6b272beac7ce4b2e9935b94d4c351419 [2024-11-13 21:59:37,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:59:37,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:59:37,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:59:37,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:59:37,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:59:37,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0307fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37, skipping insertion in model container [2024-11-13 21:59:37,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:59:37,720 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_6d9e1cf5-a3bb-4809-9907-599e181dd267/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c[537,550] [2024-11-13 21:59:37,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:59:37,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:59:37,778 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_6d9e1cf5-a3bb-4809-9907-599e181dd267/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound100.c[537,550] [2024-11-13 21:59:37,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:59:37,812 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:59:37,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37 WrapperNode [2024-11-13 21:59:37,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:59:37,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:59:37,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:59:37,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:59:37,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,852 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-13 21:59:37,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:59:37,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:59:37,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:59:37,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:59:37,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:59:37,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:59:37,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:59:37,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:59:37,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:37" (1/1) ... [2024-11-13 21:59:37,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:59:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:59:37,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:59:37,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:59:37,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:59:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:59:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:59:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:59:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:59:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:59:37,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:59:37,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:59:38,037 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:59:38,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:59:38,200 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:59:38,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:59:38,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:59:38,255 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:59:38,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:38 BoogieIcfgContainer [2024-11-13 21:59:38,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:59:38,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:59:38,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:59:38,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:59:38,269 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:38" (1/1) ... [2024-11-13 21:59:38,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:59:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-13 21:59:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-13 21:59:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:59:38,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:38,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:38,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:38,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:38,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:59:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:38,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:38,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:59:38,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:59:38,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:59:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2024-11-13 21:59:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2024-11-13 21:59:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:59:38,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:38,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:38,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:38,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:38,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:59:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:38,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:38,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:59:38,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:59:39,096 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:59:39,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:59:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:39,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2024-11-13 21:59:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-11-13 21:59:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:39,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:39,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:39,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:39,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:39,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:59:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:39,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:39,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:39,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:40,154 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:59:40,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:41,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:41,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:41,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:41,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:41,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:59:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:41,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:41,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:59:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:41,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:41,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:41,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:41,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:59:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:41,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:41,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:59:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:41,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:41,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:41,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:41,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:41,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:59:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:41,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:41,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:59:41,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:41,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:41,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:41,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:41,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:41,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:59:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:41,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:42,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:42,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:59:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:42,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:42,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:42,125 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:42,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:59:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:42,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:42,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:59:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:42,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:42,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:42,400 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:42,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:59:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:42,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:42,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:42,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:42,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:42,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:42,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:42,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:59:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:42,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:42,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:59:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:42,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:42,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:42,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:42,898 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:42,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:59:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:42,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:43,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:43,117 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:59:43,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:43,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:43,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:43,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:43,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:43,136 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:43,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:59:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:43,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:43,344 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:59:43,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:43,366 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:43,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:43,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:43,371 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:59:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:43,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:43,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:43,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:43,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:43,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:43,589 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:43,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:59:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:43,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:43,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:59:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:43,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:43,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:43,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:43,811 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:43,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:59:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:43,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:43,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:44,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:59:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:44,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:44,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:44,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:44,048 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:44,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:59:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:44,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:44,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:59:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:44,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:44,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:44,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:44,275 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:44,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:59:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:44,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:44,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:59:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:44,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:44,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:44,526 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:44,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:59:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:44,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:44,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:59:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:44,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:44,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:44,766 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:44,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:59:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:44,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:44,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:44,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:59:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:44,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:44,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:44,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:44,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:44,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:44,997 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:45,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:59:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:45,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:45,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:45,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:45,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:45,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:45,217 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:45,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:59:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:45,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:45,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:59:45,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:45,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:45,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:45,432 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:45,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:59:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:45,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:45,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:59:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:45,647 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:45,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:45,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:45,650 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:45,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:59:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:45,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:45,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:59:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:45,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:45,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:45,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:45,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:45,865 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:45,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:59:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:45,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:45,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:46,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:46,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:46,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:46,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:46,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:46,088 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:46,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:59:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:46,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:46,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:46,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:46,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:46,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:46,294 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:46,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:59:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:46,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:46,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:59:46,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:46,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:46,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:46,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:46,516 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:46,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:59:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:46,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:46,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:59:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:46,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:46,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:46,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:46,706 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:46,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:59:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:46,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:46,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:46,897 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:59:46,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:46,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:46,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:46,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:46,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:46,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:46,916 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:46,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:59:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:47,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:47,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:59:47,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:47,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:47,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:47,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:47,106 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:47,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:59:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:47,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:47,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:47,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:47,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:47,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:47,306 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:47,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:59:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:47,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:47,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:59:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:47,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:47,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:47,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:47,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:47,512 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:47,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:59:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:47,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:47,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 21:59:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:47,706 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:47,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:47,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:47,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:47,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:47,709 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:47,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 21:59:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:47,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:47,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 21:59:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:47,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:47,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:47,907 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:47,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 21:59:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:47,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:48,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:48,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:48,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:48,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:48,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:48,102 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:48,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 21:59:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:48,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:48,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 21:59:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:48,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:48,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:48,296 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 21:59:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:48,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:48,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 21:59:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:48,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:48,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:48,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:48,480 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:48,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 21:59:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:48,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:48,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:48,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:48,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:48,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:48,668 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:48,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 21:59:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:48,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:48,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 21:59:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:48,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:48,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:48,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:48,867 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:48,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 21:59:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:48,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:48,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:49,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 21:59:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:49,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:49,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:49,044 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 21:59:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:49,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:49,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 21:59:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:49,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:49,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:49,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:49,244 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:49,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 21:59:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:49,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:49,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 21:59:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:49,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:49,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:49,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:49,422 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:49,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 21:59:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:49,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:49,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 21:59:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:49,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:49,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:49,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:49,651 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:49,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 21:59:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:49,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:49,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:49,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:49,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:49,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:49,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:49,861 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:49,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 21:59:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:49,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:49,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:50,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 21:59:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:50,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,040 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 21:59:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:50,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:50,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 21:59:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:50,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,236 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 21:59:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:50,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:50,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 21:59:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:50,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,401 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 21:59:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:50,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:50,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:50,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,600 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 21:59:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:50,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:50,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 21:59:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:50,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:50,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,766 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 21:59:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:50,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:50,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:50,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 21:59:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:50,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:50,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:50,955 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:50,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 21:59:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:51,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:51,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 21:59:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:51,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:51,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:51,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:51,116 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:51,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 21:59:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:51,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:51,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 21:59:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:51,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:51,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:51,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:51,321 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:51,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 21:59:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:51,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:51,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:51,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:51,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:51,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:51,515 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:51,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 21:59:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:51,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:51,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:51,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:51,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:51,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:51,700 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:51,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 21:59:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:51,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:51,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 21:59:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:51,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:51,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:51,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:51,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:51,860 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:51,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 21:59:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:51,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:51,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:52,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:52,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:52,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:52,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:52,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:52,045 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:52,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 21:59:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:52,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 21:59:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:52,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:52,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:52,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:52,228 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:52,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 21:59:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:52,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:52,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 21:59:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:52,430 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:52,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:52,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:52,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:52,433 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:52,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 21:59:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,538 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:52,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:52,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 21:59:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:52,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:52,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:52,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:52,625 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:52,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 21:59:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:52,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:52,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 21:59:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:52,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:52,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:52,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:52,791 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:52,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 21:59:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:52,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:52,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:52,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:52,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:52,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:52,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:52,959 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:52,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 21:59:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:53,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:53,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:53,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:53,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:53,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:53,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:53,148 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:53,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 21:59:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:53,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:53,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 21:59:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:53,353 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:53,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:53,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:53,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:53,356 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:53,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 21:59:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:53,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:53,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 21:59:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:53,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:53,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:53,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:53,544 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:53,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 21:59:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:53,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:53,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 21:59:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:53,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:53,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:53,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:53,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:53,753 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:53,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 21:59:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:53,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:53,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:53,915 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:53,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:53,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:53,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:53,919 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:53,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 21:59:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:53,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:54,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:54,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 21:59:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:54,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:54,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:54,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:54,092 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 21:59:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:54,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:54,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 21:59:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:54,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:54,261 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 21:59:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:54,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,398 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:54,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-13 21:59:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:54,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:54,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:54,410 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 21:59:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:54,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:54,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 21:59:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:54,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:54,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:54,565 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 21:59:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:54,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:54,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:54,731 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:54,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:54,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:54,735 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 21:59:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:54,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:54,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:54,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 21:59:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:54,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:54,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:54,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:54,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:54,931 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:54,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 21:59:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:55,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-13 21:59:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:55,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,116 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 21:59:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:55,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 21:59:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:55,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,307 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 21:59:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:55,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 21:59:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:55,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,479 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 21:59:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:55,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-13 21:59:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:55,636 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:55,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,639 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 21:59:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:55,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 21:59:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:55,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,784 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 21:59:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:55,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:55,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:55,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:55,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:55,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:55,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:55,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:55,940 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:55,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 21:59:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:56,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-13 21:59:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:56,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:56,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:56,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:56,098 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:56,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 21:59:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:56,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 21:59:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:56,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:56,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:56,239 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:56,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 21:59:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:56,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:56,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:56,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:56,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:56,385 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:56,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 21:59:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:56,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 21:59:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:56,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:56,537 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:56,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 21:59:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:56,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:56,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:56,714 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:56,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:56,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:56,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:56,717 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:56,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 21:59:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:56,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 21:59:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:56,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:56,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:56,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:56,896 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:56,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 21:59:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:56,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:56,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:57,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-13 21:59:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:57,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:57,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:57,057 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:57,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 21:59:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:57,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:57,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-13 21:59:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:57,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:57,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:57,216 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:57,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 21:59:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:57,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:57,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 21:59:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:57,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:57,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:57,376 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:57,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 21:59:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:57,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:57,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:57,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:57,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:57,533 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:57,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 21:59:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:57,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:57,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 21:59:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:57,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:57,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:57,724 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:57,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 21:59:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:57,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:57,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-13 21:59:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:57,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:57,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:57,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:57,881 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:57,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 21:59:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:57,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:57,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:58,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:58,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:58,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:58,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:58,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:58,051 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:58,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 21:59:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:58,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:58,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:58,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:58,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:58,222 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:58,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 21:59:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:58,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:58,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-13 21:59:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:58,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:58,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:58,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:58,369 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:58,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 21:59:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:58,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:58,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:58,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:58,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:58,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:58,543 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:58,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 21:59:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:58,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:58,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:58,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:58,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:58,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:58,709 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:58,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 21:59:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:58,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:58,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-13 21:59:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:58,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:58,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:58,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:58,863 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:58,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 21:59:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:58,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:58,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:58,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-13 21:59:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:59,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:59,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:59,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:59,013 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:59,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 21:59:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,077 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:59,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:59,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-13 21:59:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:59,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:59,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:59,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:59,155 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:59,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 21:59:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:59,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:59,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:59,298 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:59,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:59,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:59,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:59,302 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:59,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 21:59:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:59,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:59,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-13 21:59:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:59,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:59,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:59,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:59,473 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:59,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 21:59:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:59,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:59,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-13 21:59:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:59,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:59,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:59,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:59,694 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:59,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 21:59:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:59,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:59:59,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-13 21:59:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 21:59:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 21:59:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:59:59,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:59,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:59,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:59,881 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:59,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 21:59:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:59,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:59:59,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:00,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-13 22:00:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:00,043 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:00,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:00,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,047 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 22:00:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:00,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:00,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-13 22:00:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:00,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,200 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 22:00:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:00,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:00,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:00,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,357 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 22:00:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:00,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:00,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-13 22:00:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:00,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,522 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 22:00:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:00,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:00,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-13 22:00:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:00,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,673 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 22:00:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:00,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:00,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:00,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:00,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,817 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 22:00:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:00,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:00,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:00,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:00,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:00,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:00,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:00,967 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:00,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 22:00:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:01,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:01,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,121 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 22:00:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:01,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:01,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,263 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 22:00:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:01,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:01,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,402 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 22:00:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:01,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-13 22:00:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:01,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,548 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 22:00:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:01,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-13 22:00:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:01,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,690 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 22:00:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:01,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:01,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,831 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 22:00:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:01,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:01,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:01,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-13 22:00:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:01,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:01,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:01,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:01,982 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:01,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 22:00:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:02,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-13 22:00:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:02,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,121 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 22:00:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:02,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:02,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,267 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 22:00:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:02,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-13 22:00:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:02,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,408 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 22:00:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:02,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:02,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,550 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 22:00:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:02,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-13 22:00:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:02,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,695 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 22:00:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:02,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-13 22:00:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:02,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:02,855 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:02,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 22:00:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:02,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:02,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:02,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-13 22:00:02,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:02,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:02,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:02,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,000 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 22:00:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:03,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:03,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-13 22:00:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:03,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:03,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:03,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,150 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 22:00:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:03,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:03,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-13 22:00:03,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:03,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:03,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:03,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,305 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 22:00:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:03,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:03,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-13 22:00:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:03,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:03,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:03,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,452 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 22:00:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:03,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:03,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-13 22:00:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:03,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:03,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:03,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:03,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,620 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 22:00:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:03,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:03,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:03,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:03,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:03,782 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:03,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:03,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:03,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,787 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 22:00:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:03,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:03,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:03,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:03,939 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:03,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:03,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:03,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:03,941 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:03,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 22:00:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:04,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:04,073 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:04,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-13 22:00:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:04,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:04,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:04,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:04,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:04,090 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:04,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 22:00:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:04,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:04,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-13 22:00:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:04,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:04,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:04,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:04,265 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:04,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 22:00:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:04,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:04,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-13 22:00:04,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:04,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:04,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:04,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:04,463 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:04,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 22:00:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:04,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:04,638 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:00:04,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-13 22:00:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:04,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:04,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:04,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:04,652 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:04,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 22:00:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:04,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:04,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:04,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:04,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:04,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:04,795 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:04,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 22:00:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:04,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:04,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:04,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 22:00:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:04,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:04,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:04,945 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:04,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 22:00:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:05,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:05,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 22:00:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:05,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:05,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:05,107 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:05,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 22:00:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:05,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:05,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-13 22:00:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:05,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:05,247 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:05,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 22:00:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:05,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:05,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:05,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-13 22:00:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:05,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:05,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:05,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:05,413 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:05,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 22:00:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:05,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:05,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-13 22:00:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:05,573 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:05,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:05,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:05,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:05,575 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:05,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 22:00:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:05,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:05,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 22:00:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:05,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:05,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:05,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:05,763 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:05,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 22:00:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:05,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:05,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:05,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 22:00:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:05,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:05,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:05,961 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:05,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 22:00:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:06,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 22:00:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:06,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:06,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:06,148 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:06,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 22:00:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:06,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-13 22:00:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:06,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:06,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:06,324 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:06,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 22:00:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:06,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:06,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:06,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:06,483 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:06,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 22:00:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:06,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 22:00:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:06,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:06,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:06,623 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:06,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 22:00:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:06,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 22:00:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:06,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:06,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:06,796 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:06,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 22:00:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:06,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:06,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:06,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:06,936 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:06,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 22:00:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:07,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 22:00:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:07,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,081 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 22:00:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:07,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:07,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,221 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 22:00:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:07,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:07,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,369 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 22:00:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:07,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:07,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,536 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 22:00:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:07,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-13 22:00:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:07,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,684 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 22:00:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:07,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:07,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,841 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 22:00:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:07,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:07,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:07,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 22:00:07,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:07,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:07,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:07,992 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:07,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 22:00:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:08,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:08,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:08,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:08,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:08,130 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:08,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 22:00:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:08,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-13 22:00:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:08,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:08,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:08,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:08,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:08,269 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:08,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 22:00:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:08,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:08,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:08,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:08,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:08,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:08,414 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:08,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 22:00:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:08,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:08,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:08,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:08,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:08,579 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:08,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 22:00:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,640 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:08,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:08,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:08,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:08,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:08,718 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:08,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-13 22:00:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:08,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-13 22:00:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:08,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:08,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:08,862 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:08,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-13 22:00:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:08,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:08,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:08,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-13 22:00:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:09,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:09,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:09,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:09,004 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:09,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-13 22:00:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:09,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:09,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-13 22:00:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:09,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:09,146 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:09,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-13 22:00:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:09,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:09,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-13 22:00:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:09,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:09,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:09,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:09,307 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:09,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-13 22:00:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:09,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:09,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-13 22:00:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:09,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:09,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:09,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:09,470 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:09,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-13 22:00:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:09,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:09,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:09,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:09,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:09,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:09,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:09,694 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:09,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-13 22:00:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:09,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:09,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:09,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:09,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:09,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:09,873 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:09,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-13 22:00:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:09,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:09,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:10,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:10,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,033 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-13 22:00:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:10,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:10,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-13 22:00:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:10,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,175 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-13 22:00:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:10,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,326 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:10,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-13 22:00:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:10,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,338 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-13 22:00:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:10,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:10,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:10,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,481 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-13 22:00:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:10,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:10,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:10,622 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:10,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,624 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-13 22:00:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:10,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:10,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-13 22:00:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:10,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,768 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-13 22:00:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:10,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:10,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-13 22:00:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:10,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:10,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:10,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:10,924 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:10,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-13 22:00:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:10,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:11,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-13 22:00:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:11,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,065 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-13 22:00:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:11,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:11,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,206 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-13 22:00:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:11,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-13 22:00:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:11,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:11,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,351 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-13 22:00:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:11,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:11,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,491 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-13 22:00:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:11,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-13 22:00:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:11,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,630 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-13 22:00:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:11,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-13 22:00:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:11,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,771 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-13 22:00:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:11,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-13 22:00:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:11,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:11,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:11,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:11,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:11,912 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:11,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-13 22:00:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:11,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:11,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:12,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-13 22:00:12,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:12,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:12,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:12,053 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:12,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-13 22:00:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:12,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-13 22:00:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:12,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:12,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:12,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:12,209 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-13 22:00:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:12,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-13 22:00:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:12,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:12,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:12,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:12,352 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:12,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-13 22:00:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:12,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:12,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:12,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:12,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:12,540 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:12,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-13 22:00:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:12,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-13 22:00:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:12,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:12,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:12,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:12,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:12,680 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:12,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-13 22:00:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:12,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:12,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:12,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:12,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:12,819 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:12,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-13 22:00:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:12,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:12,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:12,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-13 22:00:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:12,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:12,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:12,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:12,964 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:12,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-13 22:00:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:13,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:13,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-13 22:00:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:13,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,107 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-13 22:00:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:13,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:13,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:13,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,246 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-13 22:00:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:13,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:13,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:13,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,383 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-13 22:00:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:13,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:13,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-13 22:00:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:13,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,522 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-13 22:00:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:13,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:13,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-13 22:00:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:13,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,668 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-13 22:00:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:13,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:13,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-13 22:00:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:13,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,810 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-13 22:00:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:13,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:13,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:13,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:13,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:13,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:13,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:13,949 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:13,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-13 22:00:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:14,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-13 22:00:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:14,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:14,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:14,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:14,088 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:14,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-13 22:00:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:14,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-13 22:00:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:14,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:14,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:14,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:14,228 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:14,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-13 22:00:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:14,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-13 22:00:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:14,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:14,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:14,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:14,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:14,368 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:14,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-13 22:00:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:14,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-13 22:00:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:14,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:14,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:14,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:14,512 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:14,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-13 22:00:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:14,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-13 22:00:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:14,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:14,661 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:14,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-13 22:00:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:14,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-13 22:00:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:14,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:14,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:14,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:14,849 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:14,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-13 22:00:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:14,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:14,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:14,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-13 22:00:15,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:15,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,002 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-13 22:00:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:15,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:15,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:15,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,145 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-13 22:00:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:15,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:15,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-13 22:00:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:15,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,281 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-13 22:00:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:15,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:15,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-13 22:00:15,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:15,423 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:15,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,425 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-13 22:00:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:15,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:15,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:15,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,565 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-13 22:00:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:15,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:15,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-13 22:00:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:15,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,720 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-13 22:00:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:15,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:15,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:15,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:15,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:15,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:15,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:15,924 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:15,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-13 22:00:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:16,092 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:00:16,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:16,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:16,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:16,106 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:16,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-13 22:00:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:16,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-13 22:00:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:16,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:16,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:16,248 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:16,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-13 22:00:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:16,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-13 22:00:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:16,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:16,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:16,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:16,399 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:16,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-13 22:00:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:16,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-13 22:00:16,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:16,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:16,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:16,548 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:16,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-13 22:00:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:16,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-13 22:00:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:16,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:16,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:16,687 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:16,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-13 22:00:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:16,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-13 22:00:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:16,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:16,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:16,824 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:16,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-13 22:00:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:16,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:16,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:16,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-13 22:00:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:16,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:16,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:16,996 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:16,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-13 22:00:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:17,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:17,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-13 22:00:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:17,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:17,146 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:17,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-13 22:00:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:17,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:17,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-13 22:00:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:17,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:17,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:17,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:17,299 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:17,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-13 22:00:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:17,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:17,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-13 22:00:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:17,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:17,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:17,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:17,444 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:17,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-13 22:00:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:17,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:17,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-13 22:00:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:17,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:17,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:17,593 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:17,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-13 22:00:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:17,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:17,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-13 22:00:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:17,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:17,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:17,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:17,756 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:17,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-13 22:00:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:17,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:17,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:17,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:17,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:17,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:17,900 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:17,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-13 22:00:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:17,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:17,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:18,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-13 22:00:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:18,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,040 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-13 22:00:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:18,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-13 22:00:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:18,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,180 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-13 22:00:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:18,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-13 22:00:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:18,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,320 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-13 22:00:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:18,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-13 22:00:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:18,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,466 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-13 22:00:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:18,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-13 22:00:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:18,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:18,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,603 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-13 22:00:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:18,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:18,743 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:18,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,745 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-13 22:00:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:18,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-13 22:00:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:18,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:18,889 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:18,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-13 22:00:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:18,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:18,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:19,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-13 22:00:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:19,043 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:19,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:19,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:19,047 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:19,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-13 22:00:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:19,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:19,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:19,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:19,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:19,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:19,245 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:19,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-13 22:00:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:19,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:19,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-13 22:00:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:19,409 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:19,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:19,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:19,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:19,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:19,411 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:19,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-13 22:00:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:19,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:19,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-13 22:00:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:19,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:19,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:19,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:19,609 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:19,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-13 22:00:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:19,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:19,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-13 22:00:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:19,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:19,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:19,764 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:19,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-13 22:00:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:19,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:19,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-13 22:00:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:19,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:19,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:19,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:19,908 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:19,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-13 22:00:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:19,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:19,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:20,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:20,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:20,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:20,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:20,051 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:20,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-13 22:00:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:20,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:20,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-13 22:00:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:20,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:20,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:20,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:20,187 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:20,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-13 22:00:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:20,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:20,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-13 22:00:20,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:20,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:20,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:20,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:20,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:20,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:20,330 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:20,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-13 22:00:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:20,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:20,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:20,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:20,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:20,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:20,469 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:20,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-13 22:00:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:20,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:20,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-13 22:00:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:20,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:20,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:20,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:20,608 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:20,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-13 22:00:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:20,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:20,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:20,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:20,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:20,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:20,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:20,750 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:20,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-13 22:00:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:20,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:20,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-13 22:00:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:20,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:20,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:20,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:20,886 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:20,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-13 22:00:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:20,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:20,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:21,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-13 22:00:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:21,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,033 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-13 22:00:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:21,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-13 22:00:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:21,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,174 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-13 22:00:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:21,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-13 22:00:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:21,336 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:21,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,338 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-13 22:00:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:21,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:21,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,482 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-13 22:00:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:21,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-11-13 22:00:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:21,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,630 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-13 22:00:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,760 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:21,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-13 22:00:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:21,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,772 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-13 22:00:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:21,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-13 22:00:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:21,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:21,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:21,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:21,911 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:21,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-13 22:00:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:21,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:21,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:22,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-13 22:00:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:22,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,052 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-13 22:00:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:22,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-13 22:00:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:22,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,187 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-13 22:00:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:22,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-13 22:00:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:22,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,327 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-13 22:00:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:22,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:22,466 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:22,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,468 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-13 22:00:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:22,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:22,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,607 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-13 22:00:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:22,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:22,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,745 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-13 22:00:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:22,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:22,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:22,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:22,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:22,886 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:22,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-13 22:00:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:22,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:22,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:23,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-13 22:00:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:23,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:23,033 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:23,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-13 22:00:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:23,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-11-13 22:00:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:23,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:23,230 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:23,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-13 22:00:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:23,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-13 22:00:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:23,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:23,397 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:23,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-13 22:00:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:23,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-13 22:00:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:23,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:23,571 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:23,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-13 22:00:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:23,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:23,710 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:23,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:23,712 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:23,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-13 22:00:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,775 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:23,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-13 22:00:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:23,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:23,853 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:23,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-13 22:00:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:23,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:23,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:23,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-13 22:00:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:23,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:23,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:23,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,000 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-13 22:00:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:24,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:24,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-13 22:00:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:24,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:24,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:24,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,144 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-13 22:00:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:24,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:24,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-13 22:00:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:24,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:24,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:24,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,297 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-13 22:00:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:24,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:24,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-13 22:00:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:24,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:24,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:24,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,453 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-13 22:00:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:24,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:24,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-13 22:00:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:24,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:24,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:24,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:24,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,607 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-13 22:00:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:24,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:24,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-13 22:00:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:24,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:24,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:24,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,757 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-13 22:00:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:24,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:24,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-13 22:00:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:24,898 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:24,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:24,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:24,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:24,901 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:24,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-13 22:00:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:24,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:24,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,050 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:25,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-13 22:00:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:25,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:25,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,067 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-13 22:00:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:25,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:25,237 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:00:25,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-13 22:00:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:25,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,248 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-13 22:00:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:25,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:25,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-13 22:00:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:25,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,442 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-13 22:00:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:25,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:25,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-13 22:00:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:25,578 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:25,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,580 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-13 22:00:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:25,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:25,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-13 22:00:25,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:25,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,719 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-13 22:00:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:25,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:25,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-13 22:00:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:25,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,858 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-13 22:00:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:25,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:25,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:25,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:25,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:25,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:25,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:25,993 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:25,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-13 22:00:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:26,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:26,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-13 22:00:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:26,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:26,126 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-13 22:00:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:26,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:26,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-13 22:00:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:26,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:26,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:26,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:26,272 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-13 22:00:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:26,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:26,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:26,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:26,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:26,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:26,434 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-13 22:00:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:26,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:26,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-13 22:00:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:26,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:26,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:26,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:26,585 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-13 22:00:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:26,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:26,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-13 22:00:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:26,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:26,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:26,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:26,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:26,728 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-13 22:00:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:26,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:26,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:26,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-13 22:00:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:26,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:26,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:26,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:26,957 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-13 22:00:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:27,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:27,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-13 22:00:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:27,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:27,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:27,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:27,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:27,133 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:27,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-13 22:00:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:27,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:27,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-13 22:00:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:27,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:27,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:27,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:27,335 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:27,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-13 22:00:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:27,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:27,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-13 22:00:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:27,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:27,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:27,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:27,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:27,516 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:27,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-13 22:00:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:27,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:27,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:27,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:27,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:27,681 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:27,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-13 22:00:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:27,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:27,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-13 22:00:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:27,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:27,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:27,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:27,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:27,896 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:27,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-13 22:00:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:27,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:27,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:28,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-13 22:00:28,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:28,054 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:28,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:28,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:28,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:28,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:28,055 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:28,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-13 22:00:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:28,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:28,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-13 22:00:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:28,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:28,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:28,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:28,233 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:28,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-13 22:00:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:28,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:28,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-13 22:00:28,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:28,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:28,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:28,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:28,438 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:28,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-13 22:00:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:28,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:28,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-13 22:00:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:28,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:28,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:28,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:28,613 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:28,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-13 22:00:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:28,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:28,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-13 22:00:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:28,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:28,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:28,758 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:28,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-13 22:00:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:28,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:28,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-13 22:00:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:28,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:28,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:28,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:28,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:28,903 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:28,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-13 22:00:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:28,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:28,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:29,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-13 22:00:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:29,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:29,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:29,048 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-13 22:00:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:29,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-13 22:00:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:29,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:29,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:29,189 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-13 22:00:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:29,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-13 22:00:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:29,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:29,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:29,340 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-13 22:00:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:29,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:29,529 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:29,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:29,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:29,534 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-13 22:00:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:29,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-13 22:00:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:29,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:29,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:29,755 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-13 22:00:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:29,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-13 22:00:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:29,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:29,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:29,919 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:29,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-13 22:00:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:30,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-13 22:00:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:30,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:30,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:30,062 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:30,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-13 22:00:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:30,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-13 22:00:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:30,212 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:30,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:30,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:30,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:30,214 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:30,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-13 22:00:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:30,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-13 22:00:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:30,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:30,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:30,360 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:30,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-13 22:00:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:30,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:30,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:30,509 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:30,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-13 22:00:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:30,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:30,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:30,654 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:30,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-13 22:00:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:30,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-13 22:00:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:30,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:30,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:30,828 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:30,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-13 22:00:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:30,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-13 22:00:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:31,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:31,006 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:31,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-13 22:00:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:31,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-13 22:00:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:31,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:31,167 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:31,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-13 22:00:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:31,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-13 22:00:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:31,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:31,324 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:31,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-13 22:00:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:31,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-13 22:00:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:31,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:31,476 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:31,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-13 22:00:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:31,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:31,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:31,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:31,619 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:31,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-13 22:00:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:31,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-13 22:00:31,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:31,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:31,761 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:31,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-13 22:00:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:31,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-13 22:00:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:31,918 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:31,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-13 22:00:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:32,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-13 22:00:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:32,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:32,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:32,068 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:32,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-13 22:00:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:32,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:32,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:32,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:32,246 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:32,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-13 22:00:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:32,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-13 22:00:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:32,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:32,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:32,399 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:32,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-13 22:00:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:32,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-13 22:00:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:32,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:32,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:32,586 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:32,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-13 22:00:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:32,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-13 22:00:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:32,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:32,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:32,749 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:32,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-13 22:00:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:32,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-13 22:00:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:32,892 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:32,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:32,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:32,894 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:32,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-13 22:00:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-13 22:00:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,031 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-13 22:00:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-13 22:00:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,166 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-13 22:00:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-13 22:00:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,304 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-13 22:00:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-13 22:00:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,439 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-13 22:00:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-13 22:00:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,575 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-13 22:00:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-13 22:00:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,712 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-13 22:00:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-13 22:00:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,846 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,848 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-13 22:00:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:33,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:33,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:33,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-13 22:00:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:33,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:33,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:33,992 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:33,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-13 22:00:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:34,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-13 22:00:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:34,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:34,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:34,137 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-13 22:00:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:34,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:34,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:34,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:34,297 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-13 22:00:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:34,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:34,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:34,446 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-13 22:00:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:34,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-13 22:00:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:34,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:34,605 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-13 22:00:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:34,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-13 22:00:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:34,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:34,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:34,755 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-13 22:00:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:34,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-13 22:00:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:34,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:34,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:34,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:34,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:34,910 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-13 22:00:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:34,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:35,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-13 22:00:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:35,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:35,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:35,066 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:35,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-13 22:00:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:35,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:35,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-13 22:00:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:35,207 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:35,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:35,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:35,210 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:35,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-13 22:00:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:35,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:35,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-13 22:00:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:35,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:35,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:35,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:00:35,376 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:00:35,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-13 22:00:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:00:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:35,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:00:35,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-13 22:00:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:00:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:00:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:35,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:35,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-13 22:03:59,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1614)] Waiting until timeout for monitored process [2024-11-13 22:03:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:59,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:59,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:03:59,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:03:59,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1614)] Ended with exit code 0 [2024-11-13 22:03:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:03:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:03:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:03:59,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:59,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:59,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:59,819 INFO L229 MonitoredProcess]: Starting monitored process 1615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:59,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1615)] Waiting until timeout for monitored process [2024-11-13 22:03:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:59,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:59,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:03:59,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:03:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:03:59,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1615)] Forceful destruction successful, exit code 0 [2024-11-13 22:03:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:03:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:03:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:03:59,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:59,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:59,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:59,983 INFO L229 MonitoredProcess]: Starting monitored process 1616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:59,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1616)] Waiting until timeout for monitored process [2024-11-13 22:04:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:00,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:00,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1616)] Ended with exit code 0 [2024-11-13 22:04:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:00,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:00,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:00,145 INFO L229 MonitoredProcess]: Starting monitored process 1617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:00,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1617)] Waiting until timeout for monitored process [2024-11-13 22:04:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:00,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:00,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1617)] Ended with exit code 0 [2024-11-13 22:04:00,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:00,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:00,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:00,305 INFO L229 MonitoredProcess]: Starting monitored process 1618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:00,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1618)] Waiting until timeout for monitored process [2024-11-13 22:04:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:00,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:00,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1618)] Ended with exit code 0 [2024-11-13 22:04:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:00,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:00,521 INFO L229 MonitoredProcess]: Starting monitored process 1619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:00,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1619)] Waiting until timeout for monitored process [2024-11-13 22:04:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:00,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:00,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1619)] Ended with exit code 0 [2024-11-13 22:04:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:00,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:00,674 INFO L229 MonitoredProcess]: Starting monitored process 1620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:00,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1620)] Waiting until timeout for monitored process [2024-11-13 22:04:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:00,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:00,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1620)] Ended with exit code 0 [2024-11-13 22:04:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:00,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:00,835 INFO L229 MonitoredProcess]: Starting monitored process 1621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:00,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1621)] Waiting until timeout for monitored process [2024-11-13 22:04:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:00,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:00,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:00,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1621)] Ended with exit code 0 [2024-11-13 22:04:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:00,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:00,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:00,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:00,990 INFO L229 MonitoredProcess]: Starting monitored process 1622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:00,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1622)] Waiting until timeout for monitored process [2024-11-13 22:04:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:01,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1622)] Ended with exit code 0 [2024-11-13 22:04:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:01,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:01,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:01,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:01,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:01,150 INFO L229 MonitoredProcess]: Starting monitored process 1623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:01,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1623)] Waiting until timeout for monitored process [2024-11-13 22:04:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:01,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1623)] Ended with exit code 0 [2024-11-13 22:04:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:01,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:01,310 INFO L229 MonitoredProcess]: Starting monitored process 1624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:01,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1624)] Waiting until timeout for monitored process [2024-11-13 22:04:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,451 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:01,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1624)] Ended with exit code 0 [2024-11-13 22:04:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:01,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:01,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:01,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:01,464 INFO L229 MonitoredProcess]: Starting monitored process 1625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:01,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1625)] Waiting until timeout for monitored process [2024-11-13 22:04:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:01,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1625)] Ended with exit code 0 [2024-11-13 22:04:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:01,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:01,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:01,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:01,630 INFO L229 MonitoredProcess]: Starting monitored process 1626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:01,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1626)] Waiting until timeout for monitored process [2024-11-13 22:04:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:01,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1626)] Ended with exit code 0 [2024-11-13 22:04:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:01,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:01,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:01,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:01,787 INFO L229 MonitoredProcess]: Starting monitored process 1627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:01,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1627)] Waiting until timeout for monitored process [2024-11-13 22:04:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:01,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:01,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:01,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1627)] Ended with exit code 0 [2024-11-13 22:04:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:01,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:01,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:01,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:01,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:01,950 INFO L229 MonitoredProcess]: Starting monitored process 1628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:01,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1628)] Waiting until timeout for monitored process [2024-11-13 22:04:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:02,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:02,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1628)] Ended with exit code 0 [2024-11-13 22:04:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:02,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:02,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:02,112 INFO L229 MonitoredProcess]: Starting monitored process 1629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:02,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1629)] Waiting until timeout for monitored process [2024-11-13 22:04:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:02,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:02,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1629)] Ended with exit code 0 [2024-11-13 22:04:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:02,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:02,265 INFO L229 MonitoredProcess]: Starting monitored process 1630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:02,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1630)] Waiting until timeout for monitored process [2024-11-13 22:04:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:02,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:02,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1630)] Ended with exit code 0 [2024-11-13 22:04:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:02,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:02,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:02,426 INFO L229 MonitoredProcess]: Starting monitored process 1631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:02,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1631)] Waiting until timeout for monitored process [2024-11-13 22:04:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:02,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:02,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1631)] Ended with exit code 0 [2024-11-13 22:04:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:02,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:02,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:02,595 INFO L229 MonitoredProcess]: Starting monitored process 1632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:02,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1632)] Waiting until timeout for monitored process [2024-11-13 22:04:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:02,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:02,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1632)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:02,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:02,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:02,749 INFO L229 MonitoredProcess]: Starting monitored process 1633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:02,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1633)] Waiting until timeout for monitored process [2024-11-13 22:04:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:02,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:02,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1633)] Ended with exit code 0 [2024-11-13 22:04:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:02,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:02,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:02,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:02,909 INFO L229 MonitoredProcess]: Starting monitored process 1634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:02,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1634)] Waiting until timeout for monitored process [2024-11-13 22:04:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:02,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:03,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1634)] Ended with exit code 0 [2024-11-13 22:04:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:03,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:03,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:03,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:03,071 INFO L229 MonitoredProcess]: Starting monitored process 1635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:03,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1635)] Waiting until timeout for monitored process [2024-11-13 22:04:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:03,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1635)] Ended with exit code 0 [2024-11-13 22:04:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:03,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:03,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:03,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:03,232 INFO L229 MonitoredProcess]: Starting monitored process 1636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:03,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1636)] Waiting until timeout for monitored process [2024-11-13 22:04:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:03,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1636)] Ended with exit code 0 [2024-11-13 22:04:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:03,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:03,387 INFO L229 MonitoredProcess]: Starting monitored process 1637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:03,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1637)] Waiting until timeout for monitored process [2024-11-13 22:04:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:03,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1637)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:03,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:03,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:03,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:03,547 INFO L229 MonitoredProcess]: Starting monitored process 1638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:03,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1638)] Waiting until timeout for monitored process [2024-11-13 22:04:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:03,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1638)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:03,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:03,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:03,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:03,701 INFO L229 MonitoredProcess]: Starting monitored process 1639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:03,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1639)] Waiting until timeout for monitored process [2024-11-13 22:04:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:03,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1639)] Ended with exit code 0 [2024-11-13 22:04:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:03,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:03,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:03,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:03,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:03,863 INFO L229 MonitoredProcess]: Starting monitored process 1640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:03,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1640)] Waiting until timeout for monitored process [2024-11-13 22:04:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:03,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:03,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:04,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1640)] Ended with exit code 0 [2024-11-13 22:04:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:04,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:04,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:04,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:04,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:04,020 INFO L229 MonitoredProcess]: Starting monitored process 1641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:04,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1641)] Waiting until timeout for monitored process [2024-11-13 22:04:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:04,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:04,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1641)] Ended with exit code 0 [2024-11-13 22:04:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:04,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:04,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:04,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:04,172 INFO L229 MonitoredProcess]: Starting monitored process 1642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:04,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1642)] Waiting until timeout for monitored process [2024-11-13 22:04:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:04,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:04,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1642)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:04,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:04,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:04,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:04,331 INFO L229 MonitoredProcess]: Starting monitored process 1643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:04,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1643)] Waiting until timeout for monitored process [2024-11-13 22:04:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:04,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:04,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1643)] Ended with exit code 0 [2024-11-13 22:04:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:04,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:04,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:04,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:04,496 INFO L229 MonitoredProcess]: Starting monitored process 1644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:04,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1644)] Waiting until timeout for monitored process [2024-11-13 22:04:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:04,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:04,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1644)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:04,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:04,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:04,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:04,652 INFO L229 MonitoredProcess]: Starting monitored process 1645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:04,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1645)] Waiting until timeout for monitored process [2024-11-13 22:04:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:04,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:04,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1645)] Ended with exit code 0 [2024-11-13 22:04:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:04,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:04,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:04,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:04,812 INFO L229 MonitoredProcess]: Starting monitored process 1646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:04,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1646)] Waiting until timeout for monitored process [2024-11-13 22:04:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:04,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:04,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:04,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1646)] Ended with exit code 0 [2024-11-13 22:04:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:04,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:04,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:04,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:04,967 INFO L229 MonitoredProcess]: Starting monitored process 1647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:04,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1647)] Waiting until timeout for monitored process [2024-11-13 22:04:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:05,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:05,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1647)] Ended with exit code 0 [2024-11-13 22:04:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:05,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,126 INFO L229 MonitoredProcess]: Starting monitored process 1648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1648)] Waiting until timeout for monitored process [2024-11-13 22:04:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:05,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:05,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1648)] Ended with exit code 0 [2024-11-13 22:04:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:05,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,287 INFO L229 MonitoredProcess]: Starting monitored process 1649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1649)] Waiting until timeout for monitored process [2024-11-13 22:04:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:05,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:05,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1649)] Ended with exit code 0 [2024-11-13 22:04:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:05,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:05,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,444 INFO L229 MonitoredProcess]: Starting monitored process 1650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1650)] Waiting until timeout for monitored process [2024-11-13 22:04:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:05,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:05,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1650)] Ended with exit code 0 [2024-11-13 22:04:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:05,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,599 INFO L229 MonitoredProcess]: Starting monitored process 1651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1651)] Waiting until timeout for monitored process [2024-11-13 22:04:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:05,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:05,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1651)] Ended with exit code 0 [2024-11-13 22:04:05,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:05,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,765 INFO L229 MonitoredProcess]: Starting monitored process 1652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1652)] Waiting until timeout for monitored process [2024-11-13 22:04:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:05,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:05,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1652)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:05,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:05,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:05,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:05,920 INFO L229 MonitoredProcess]: Starting monitored process 1653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1653)] Waiting until timeout for monitored process [2024-11-13 22:04:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:05,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:06,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1653)] Ended with exit code 0 [2024-11-13 22:04:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:06,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:06,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:06,075 INFO L229 MonitoredProcess]: Starting monitored process 1654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:06,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1654)] Waiting until timeout for monitored process [2024-11-13 22:04:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:06,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1654)] Ended with exit code 0 [2024-11-13 22:04:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:06,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:06,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:06,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:06,238 INFO L229 MonitoredProcess]: Starting monitored process 1655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:06,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1655)] Waiting until timeout for monitored process [2024-11-13 22:04:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:06,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1655)] Ended with exit code 0 [2024-11-13 22:04:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:06,395 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:06,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:06,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:06,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:06,397 INFO L229 MonitoredProcess]: Starting monitored process 1656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:06,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1656)] Waiting until timeout for monitored process [2024-11-13 22:04:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:06,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1656)] Ended with exit code 0 [2024-11-13 22:04:06,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:06,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:06,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:06,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:06,552 INFO L229 MonitoredProcess]: Starting monitored process 1657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:06,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1657)] Waiting until timeout for monitored process [2024-11-13 22:04:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:06,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1657)] Ended with exit code 0 [2024-11-13 22:04:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:06,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:06,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:06,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:06,715 INFO L229 MonitoredProcess]: Starting monitored process 1658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:06,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1658)] Waiting until timeout for monitored process [2024-11-13 22:04:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:06,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1658)] Ended with exit code 0 [2024-11-13 22:04:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:06,873 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:06,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:06,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:06,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:06,875 INFO L229 MonitoredProcess]: Starting monitored process 1659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:06,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1659)] Waiting until timeout for monitored process [2024-11-13 22:04:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:06,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:06,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:07,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1659)] Ended with exit code 0 [2024-11-13 22:04:07,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:07,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:07,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:07,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:07,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:07,033 INFO L229 MonitoredProcess]: Starting monitored process 1660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:07,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1660)] Waiting until timeout for monitored process [2024-11-13 22:04:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:07,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:07,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1660)] Ended with exit code 0 [2024-11-13 22:04:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:07,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:07,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:07,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:07,196 INFO L229 MonitoredProcess]: Starting monitored process 1661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:07,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1661)] Waiting until timeout for monitored process [2024-11-13 22:04:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:07,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:07,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1661)] Ended with exit code 0 [2024-11-13 22:04:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:07,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:07,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:07,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:07,342 INFO L229 MonitoredProcess]: Starting monitored process 1662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:07,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1662)] Waiting until timeout for monitored process [2024-11-13 22:04:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:07,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:07,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1662)] Ended with exit code 0 [2024-11-13 22:04:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:07,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:07,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:07,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:07,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:07,494 INFO L229 MonitoredProcess]: Starting monitored process 1663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:07,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1663)] Waiting until timeout for monitored process [2024-11-13 22:04:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:07,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:07,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1663)] Ended with exit code 0 [2024-11-13 22:04:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:07,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:07,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:07,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:07,657 INFO L229 MonitoredProcess]: Starting monitored process 1664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:07,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1664)] Waiting until timeout for monitored process [2024-11-13 22:04:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:07,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:07,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1664)] Ended with exit code 0 [2024-11-13 22:04:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:07,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:07,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:07,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:07,817 INFO L229 MonitoredProcess]: Starting monitored process 1665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:07,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1665)] Waiting until timeout for monitored process [2024-11-13 22:04:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:07,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:07,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:07,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1665)] Ended with exit code 0 [2024-11-13 22:04:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:07,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:07,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:07,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:07,964 INFO L229 MonitoredProcess]: Starting monitored process 1666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:07,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1666)] Waiting until timeout for monitored process [2024-11-13 22:04:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:08,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:08,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1666)] Ended with exit code 0 [2024-11-13 22:04:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:08,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,123 INFO L229 MonitoredProcess]: Starting monitored process 1667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1667)] Waiting until timeout for monitored process [2024-11-13 22:04:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:08,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:08,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1667)] Ended with exit code 0 [2024-11-13 22:04:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:08,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,290 INFO L229 MonitoredProcess]: Starting monitored process 1668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1668)] Waiting until timeout for monitored process [2024-11-13 22:04:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:08,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:08,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1668)] Ended with exit code 0 [2024-11-13 22:04:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:08,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,445 INFO L229 MonitoredProcess]: Starting monitored process 1669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1669)] Waiting until timeout for monitored process [2024-11-13 22:04:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:08,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:08,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1669)] Ended with exit code 0 [2024-11-13 22:04:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:08,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,608 INFO L229 MonitoredProcess]: Starting monitored process 1670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1670)] Waiting until timeout for monitored process [2024-11-13 22:04:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:08,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:08,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1670)] Ended with exit code 0 [2024-11-13 22:04:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:08,768 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:08,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,770 INFO L229 MonitoredProcess]: Starting monitored process 1671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1671)] Waiting until timeout for monitored process [2024-11-13 22:04:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:08,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:08,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:08,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1671)] Ended with exit code 0 [2024-11-13 22:04:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:08,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:08,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:08,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:08,931 INFO L229 MonitoredProcess]: Starting monitored process 1672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:08,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1672)] Waiting until timeout for monitored process [2024-11-13 22:04:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:09,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1672)] Ended with exit code 0 [2024-11-13 22:04:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:09,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:09,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:09,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:09,096 INFO L229 MonitoredProcess]: Starting monitored process 1673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:09,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1673)] Waiting until timeout for monitored process [2024-11-13 22:04:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:09,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1673)] Ended with exit code 0 [2024-11-13 22:04:09,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:09,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:09,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:09,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:09,253 INFO L229 MonitoredProcess]: Starting monitored process 1674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:09,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1674)] Waiting until timeout for monitored process [2024-11-13 22:04:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:09,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1674)] Ended with exit code 0 [2024-11-13 22:04:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:09,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:09,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:09,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:09,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:09,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:09,406 INFO L229 MonitoredProcess]: Starting monitored process 1675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:09,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1675)] Waiting until timeout for monitored process [2024-11-13 22:04:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:09,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1675)] Ended with exit code 0 [2024-11-13 22:04:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:09,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:09,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:09,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:09,568 INFO L229 MonitoredProcess]: Starting monitored process 1676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:09,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1676)] Waiting until timeout for monitored process [2024-11-13 22:04:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:09,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1676)] Ended with exit code 0 [2024-11-13 22:04:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:09,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:09,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:09,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:09,728 INFO L229 MonitoredProcess]: Starting monitored process 1677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:09,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1677)] Waiting until timeout for monitored process [2024-11-13 22:04:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:09,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1677)] Ended with exit code 0 [2024-11-13 22:04:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:09,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:09,887 INFO L229 MonitoredProcess]: Starting monitored process 1678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:09,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1678)] Waiting until timeout for monitored process [2024-11-13 22:04:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:09,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:09,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:10,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1678)] Ended with exit code 0 [2024-11-13 22:04:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:10,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:10,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:10,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:10,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:10,047 INFO L229 MonitoredProcess]: Starting monitored process 1679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:10,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1679)] Waiting until timeout for monitored process [2024-11-13 22:04:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:10,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:10,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1679)] Ended with exit code 0 [2024-11-13 22:04:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:10,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:10,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:10,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:10,202 INFO L229 MonitoredProcess]: Starting monitored process 1680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:10,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1680)] Waiting until timeout for monitored process [2024-11-13 22:04:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:10,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:10,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:10,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1680)] Ended with exit code 0 [2024-11-13 22:04:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:10,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:10,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:10,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:10,356 INFO L229 MonitoredProcess]: Starting monitored process 1681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:10,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1681)] Waiting until timeout for monitored process [2024-11-13 22:04:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:10,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:10,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1681)] Ended with exit code 0 [2024-11-13 22:04:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:10,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:10,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:10,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:10,595 INFO L229 MonitoredProcess]: Starting monitored process 1682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:10,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1682)] Waiting until timeout for monitored process [2024-11-13 22:04:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:10,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:10,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1682)] Ended with exit code 0 [2024-11-13 22:04:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:10,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:10,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:10,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:10,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:10,764 INFO L229 MonitoredProcess]: Starting monitored process 1683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:10,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1683)] Waiting until timeout for monitored process [2024-11-13 22:04:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:10,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:10,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:10,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1683)] Ended with exit code 0 [2024-11-13 22:04:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:10,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:10,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:10,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:10,946 INFO L229 MonitoredProcess]: Starting monitored process 1684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:10,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1684)] Waiting until timeout for monitored process [2024-11-13 22:04:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:11,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:11,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1684)] Ended with exit code 0 [2024-11-13 22:04:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:11,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:11,110 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:11,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:11,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:11,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:11,112 INFO L229 MonitoredProcess]: Starting monitored process 1685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:11,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1685)] Waiting until timeout for monitored process [2024-11-13 22:04:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:11,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:11,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1685)] Ended with exit code 0 [2024-11-13 22:04:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:11,271 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:11,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:11,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:11,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:11,273 INFO L229 MonitoredProcess]: Starting monitored process 1686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:11,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1686)] Waiting until timeout for monitored process [2024-11-13 22:04:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:11,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:11,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1686)] Ended with exit code 0 [2024-11-13 22:04:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:11,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:11,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:11,430 INFO L229 MonitoredProcess]: Starting monitored process 1687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:11,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1687)] Waiting until timeout for monitored process [2024-11-13 22:04:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:11,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:11,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1687)] Ended with exit code 0 [2024-11-13 22:04:11,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:11,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:11,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:11,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:11,595 INFO L229 MonitoredProcess]: Starting monitored process 1688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1688)] Waiting until timeout for monitored process [2024-11-13 22:04:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:11,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:11,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1688)] Ended with exit code 0 [2024-11-13 22:04:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:11,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:11,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:11,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:11,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:11,754 INFO L229 MonitoredProcess]: Starting monitored process 1689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:11,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1689)] Waiting until timeout for monitored process [2024-11-13 22:04:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:11,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:11,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1689)] Ended with exit code 0 [2024-11-13 22:04:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:11,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:11,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:11,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:11,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:11,912 INFO L229 MonitoredProcess]: Starting monitored process 1690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:11,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1690)] Waiting until timeout for monitored process [2024-11-13 22:04:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:11,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:12,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1690)] Ended with exit code 0 [2024-11-13 22:04:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:12,076 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:12,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:12,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:12,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:12,078 INFO L229 MonitoredProcess]: Starting monitored process 1691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:12,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1691)] Waiting until timeout for monitored process [2024-11-13 22:04:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:12,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1691)] Ended with exit code 0 [2024-11-13 22:04:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:12,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:12,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:12,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:12,239 INFO L229 MonitoredProcess]: Starting monitored process 1692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:12,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1692)] Waiting until timeout for monitored process [2024-11-13 22:04:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:12,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1692)] Ended with exit code 0 [2024-11-13 22:04:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:12,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:12,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:12,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:12,395 INFO L229 MonitoredProcess]: Starting monitored process 1693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:12,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1693)] Waiting until timeout for monitored process [2024-11-13 22:04:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:12,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1693)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:12,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:12,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:12,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:12,557 INFO L229 MonitoredProcess]: Starting monitored process 1694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:12,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1694)] Waiting until timeout for monitored process [2024-11-13 22:04:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:12,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1694)] Ended with exit code 0 [2024-11-13 22:04:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:12,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:12,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:12,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:12,715 INFO L229 MonitoredProcess]: Starting monitored process 1695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:12,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1695)] Waiting until timeout for monitored process [2024-11-13 22:04:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,781 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:12,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1695)] Ended with exit code 0 [2024-11-13 22:04:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:12,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:12,870 INFO L229 MonitoredProcess]: Starting monitored process 1696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:12,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1696)] Waiting until timeout for monitored process [2024-11-13 22:04:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:12,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:12,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:13,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1696)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:13,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,034 INFO L229 MonitoredProcess]: Starting monitored process 1697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1697)] Waiting until timeout for monitored process [2024-11-13 22:04:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:13,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:13,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1697)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:13,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:13,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,192 INFO L229 MonitoredProcess]: Starting monitored process 1698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1698)] Waiting until timeout for monitored process [2024-11-13 22:04:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:13,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:13,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1698)] Ended with exit code 0 [2024-11-13 22:04:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:13,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,346 INFO L229 MonitoredProcess]: Starting monitored process 1699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1699)] Waiting until timeout for monitored process [2024-11-13 22:04:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,416 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:13,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:13,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1699)] Ended with exit code 0 [2024-11-13 22:04:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:13,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,511 INFO L229 MonitoredProcess]: Starting monitored process 1700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1700)] Waiting until timeout for monitored process [2024-11-13 22:04:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:13,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:13,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1700)] Ended with exit code 0 [2024-11-13 22:04:13,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:13,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,657 INFO L229 MonitoredProcess]: Starting monitored process 1701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1701)] Waiting until timeout for monitored process [2024-11-13 22:04:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:13,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:13,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1701)] Ended with exit code 0 [2024-11-13 22:04:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:13,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,808 INFO L229 MonitoredProcess]: Starting monitored process 1702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1702)] Waiting until timeout for monitored process [2024-11-13 22:04:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:13,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:13,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:13,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1702)] Ended with exit code 0 [2024-11-13 22:04:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:13,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:13,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:13,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:13,969 INFO L229 MonitoredProcess]: Starting monitored process 1703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:13,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1703)] Waiting until timeout for monitored process [2024-11-13 22:04:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:14,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:14,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1703)] Ended with exit code 0 [2024-11-13 22:04:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:14,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:14,132 INFO L229 MonitoredProcess]: Starting monitored process 1704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:14,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1704)] Waiting until timeout for monitored process [2024-11-13 22:04:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:14,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:14,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1704)] Ended with exit code 0 [2024-11-13 22:04:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:14,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:14,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:14,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:14,285 INFO L229 MonitoredProcess]: Starting monitored process 1705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:14,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1705)] Waiting until timeout for monitored process [2024-11-13 22:04:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:14,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:14,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1705)] Ended with exit code 0 [2024-11-13 22:04:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:14,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:14,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:14,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:14,447 INFO L229 MonitoredProcess]: Starting monitored process 1706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:14,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1706)] Waiting until timeout for monitored process [2024-11-13 22:04:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:14,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:14,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1706)] Ended with exit code 0 [2024-11-13 22:04:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:14,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:14,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:14,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:14,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:14,605 INFO L229 MonitoredProcess]: Starting monitored process 1707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:14,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1707)] Waiting until timeout for monitored process [2024-11-13 22:04:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:14,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:14,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1707)] Ended with exit code 0 [2024-11-13 22:04:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:14,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:14,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:14,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:14,764 INFO L229 MonitoredProcess]: Starting monitored process 1708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:14,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1708)] Waiting until timeout for monitored process [2024-11-13 22:04:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:14,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:14,910 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:14,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1708)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:14,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:14,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:14,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:14,924 INFO L229 MonitoredProcess]: Starting monitored process 1709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:14,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1709)] Waiting until timeout for monitored process [2024-11-13 22:04:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:14,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:15,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:15,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1709)] Ended with exit code 0 [2024-11-13 22:04:15,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:15,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:15,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:15,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:15,082 INFO L229 MonitoredProcess]: Starting monitored process 1710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:15,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1710)] Waiting until timeout for monitored process [2024-11-13 22:04:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:15,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:15,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1710)] Ended with exit code 0 [2024-11-13 22:04:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:15,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:15,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:15,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:15,235 INFO L229 MonitoredProcess]: Starting monitored process 1711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:15,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1711)] Waiting until timeout for monitored process [2024-11-13 22:04:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:15,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:15,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1711)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:15,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:15,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:15,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:15,400 INFO L229 MonitoredProcess]: Starting monitored process 1712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:15,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1712)] Waiting until timeout for monitored process [2024-11-13 22:04:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:15,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:15,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1712)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:15,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:15,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:15,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:15,561 INFO L229 MonitoredProcess]: Starting monitored process 1713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:15,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1713)] Waiting until timeout for monitored process [2024-11-13 22:04:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:15,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:15,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1713)] Ended with exit code 0 [2024-11-13 22:04:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:15,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:15,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:15,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:15,717 INFO L229 MonitoredProcess]: Starting monitored process 1714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:15,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1714)] Waiting until timeout for monitored process [2024-11-13 22:04:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:15,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:15,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1714)] Ended with exit code 0 [2024-11-13 22:04:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:15,879 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:15,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:15,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:15,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:15,881 INFO L229 MonitoredProcess]: Starting monitored process 1715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:15,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1715)] Waiting until timeout for monitored process [2024-11-13 22:04:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:15,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:15,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:16,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1715)] Ended with exit code 0 [2024-11-13 22:04:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:16,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,045 INFO L229 MonitoredProcess]: Starting monitored process 1716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1716)] Waiting until timeout for monitored process [2024-11-13 22:04:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:16,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:16,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1716)] Ended with exit code 0 [2024-11-13 22:04:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:16,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,196 INFO L229 MonitoredProcess]: Starting monitored process 1717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1717)] Waiting until timeout for monitored process [2024-11-13 22:04:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:16,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:16,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1717)] Ended with exit code 0 [2024-11-13 22:04:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:16,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,358 INFO L229 MonitoredProcess]: Starting monitored process 1718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1718)] Waiting until timeout for monitored process [2024-11-13 22:04:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:16,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:16,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1718)] Ended with exit code 0 [2024-11-13 22:04:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:16,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,517 INFO L229 MonitoredProcess]: Starting monitored process 1719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1719)] Waiting until timeout for monitored process [2024-11-13 22:04:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:16,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:16,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1719)] Ended with exit code 0 [2024-11-13 22:04:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:16,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,673 INFO L229 MonitoredProcess]: Starting monitored process 1720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1720)] Waiting until timeout for monitored process [2024-11-13 22:04:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:16,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:16,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1720)] Ended with exit code 0 [2024-11-13 22:04:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:16,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,838 INFO L229 MonitoredProcess]: Starting monitored process 1721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1721)] Waiting until timeout for monitored process [2024-11-13 22:04:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:16,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:16,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:16,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1721)] Ended with exit code 0 [2024-11-13 22:04:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:16,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:16,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:16,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:16,991 INFO L229 MonitoredProcess]: Starting monitored process 1722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:16,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1722)] Waiting until timeout for monitored process [2024-11-13 22:04:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:17,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:17,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1722)] Ended with exit code 0 [2024-11-13 22:04:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:17,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:17,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:17,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:17,149 INFO L229 MonitoredProcess]: Starting monitored process 1723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:17,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1723)] Waiting until timeout for monitored process [2024-11-13 22:04:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:17,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:17,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1723)] Ended with exit code 0 [2024-11-13 22:04:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:17,308 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:17,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:17,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:17,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:17,309 INFO L229 MonitoredProcess]: Starting monitored process 1724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:17,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1724)] Waiting until timeout for monitored process [2024-11-13 22:04:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:17,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:17,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1724)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:17,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:17,463 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:17,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:17,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:17,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:17,464 INFO L229 MonitoredProcess]: Starting monitored process 1725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:17,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1725)] Waiting until timeout for monitored process [2024-11-13 22:04:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:17,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:17,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1725)] Ended with exit code 0 [2024-11-13 22:04:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:17,614 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:17,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:17,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:17,616 INFO L229 MonitoredProcess]: Starting monitored process 1726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:17,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1726)] Waiting until timeout for monitored process [2024-11-13 22:04:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:17,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:17,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1726)] Ended with exit code 0 [2024-11-13 22:04:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:17,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:17,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:17,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:17,779 INFO L229 MonitoredProcess]: Starting monitored process 1727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:17,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1727)] Waiting until timeout for monitored process [2024-11-13 22:04:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:17,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:17,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:17,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1727)] Ended with exit code 0 [2024-11-13 22:04:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:17,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:17,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:17,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:17,942 INFO L229 MonitoredProcess]: Starting monitored process 1728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:17,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1728)] Waiting until timeout for monitored process [2024-11-13 22:04:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:18,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:18,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1728)] Ended with exit code 0 [2024-11-13 22:04:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:18,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:18,093 INFO L229 MonitoredProcess]: Starting monitored process 1729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1729)] Waiting until timeout for monitored process [2024-11-13 22:04:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,163 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:18,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:18,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1729)] Ended with exit code 0 [2024-11-13 22:04:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:18,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:18,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:18,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:18,253 INFO L229 MonitoredProcess]: Starting monitored process 1730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:18,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1730)] Waiting until timeout for monitored process [2024-11-13 22:04:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:18,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:18,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1730)] Ended with exit code 0 [2024-11-13 22:04:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:18,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:18,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:18,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:18,414 INFO L229 MonitoredProcess]: Starting monitored process 1731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:18,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1731)] Waiting until timeout for monitored process [2024-11-13 22:04:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:18,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:18,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1731)] Ended with exit code 0 [2024-11-13 22:04:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:18,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:18,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:18,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:18,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:18,571 INFO L229 MonitoredProcess]: Starting monitored process 1732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:18,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1732)] Waiting until timeout for monitored process [2024-11-13 22:04:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:18,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:18,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1732)] Ended with exit code 0 [2024-11-13 22:04:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:18,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:18,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:18,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:18,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:18,734 INFO L229 MonitoredProcess]: Starting monitored process 1733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:18,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1733)] Waiting until timeout for monitored process [2024-11-13 22:04:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:18,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:18,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1733)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:18,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:18,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:18,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:18,895 INFO L229 MonitoredProcess]: Starting monitored process 1734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:18,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1734)] Waiting until timeout for monitored process [2024-11-13 22:04:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,962 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:18,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:18,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:19,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1734)] Ended with exit code 0 [2024-11-13 22:04:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:19,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,049 INFO L229 MonitoredProcess]: Starting monitored process 1735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1735)] Waiting until timeout for monitored process [2024-11-13 22:04:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:19,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1735)] Ended with exit code 0 [2024-11-13 22:04:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:19,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:19,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,212 INFO L229 MonitoredProcess]: Starting monitored process 1736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1736)] Waiting until timeout for monitored process [2024-11-13 22:04:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:19,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1736)] Ended with exit code 0 [2024-11-13 22:04:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:19,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,375 INFO L229 MonitoredProcess]: Starting monitored process 1737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1737)] Waiting until timeout for monitored process [2024-11-13 22:04:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:19,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1737)] Ended with exit code 0 [2024-11-13 22:04:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:19,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,529 INFO L229 MonitoredProcess]: Starting monitored process 1738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1738)] Waiting until timeout for monitored process [2024-11-13 22:04:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:19,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1738)] Ended with exit code 0 [2024-11-13 22:04:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:19,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:19,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,689 INFO L229 MonitoredProcess]: Starting monitored process 1739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1739)] Waiting until timeout for monitored process [2024-11-13 22:04:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:19,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1739)] Ended with exit code 0 [2024-11-13 22:04:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:19,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:19,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:19,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:19,860 INFO L229 MonitoredProcess]: Starting monitored process 1740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:19,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1740)] Waiting until timeout for monitored process [2024-11-13 22:04:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:19,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:19,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:20,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1740)] Ended with exit code 0 [2024-11-13 22:04:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:20,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:20,011 INFO L229 MonitoredProcess]: Starting monitored process 1741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:20,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1741)] Waiting until timeout for monitored process [2024-11-13 22:04:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:20,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:20,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1741)] Ended with exit code 0 [2024-11-13 22:04:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:20,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:20,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:20,172 INFO L229 MonitoredProcess]: Starting monitored process 1742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:20,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1742)] Waiting until timeout for monitored process [2024-11-13 22:04:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:20,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:20,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1742)] Ended with exit code 0 [2024-11-13 22:04:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:20,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:20,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:20,335 INFO L229 MonitoredProcess]: Starting monitored process 1743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:20,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1743)] Waiting until timeout for monitored process [2024-11-13 22:04:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:20,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:20,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1743)] Ended with exit code 0 [2024-11-13 22:04:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:20,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:20,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:20,522 INFO L229 MonitoredProcess]: Starting monitored process 1744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:20,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1744)] Waiting until timeout for monitored process [2024-11-13 22:04:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,623 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:20,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:20,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1744)] Ended with exit code 0 [2024-11-13 22:04:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:20,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:20,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:20,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:20,731 INFO L229 MonitoredProcess]: Starting monitored process 1745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:20,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1745)] Waiting until timeout for monitored process [2024-11-13 22:04:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:20,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:20,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1745)] Ended with exit code 0 [2024-11-13 22:04:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:20,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:20,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:20,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:20,901 INFO L229 MonitoredProcess]: Starting monitored process 1746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:20,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1746)] Waiting until timeout for monitored process [2024-11-13 22:04:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:20,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:20,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:21,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1746)] Ended with exit code 0 [2024-11-13 22:04:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:21,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,063 INFO L229 MonitoredProcess]: Starting monitored process 1747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1747)] Waiting until timeout for monitored process [2024-11-13 22:04:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:21,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1747)] Ended with exit code 0 [2024-11-13 22:04:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:21,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,224 INFO L229 MonitoredProcess]: Starting monitored process 1748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1748)] Waiting until timeout for monitored process [2024-11-13 22:04:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:21,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1748)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:21,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:21,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,383 INFO L229 MonitoredProcess]: Starting monitored process 1749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1749)] Waiting until timeout for monitored process [2024-11-13 22:04:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:21,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1749)] Ended with exit code 0 [2024-11-13 22:04:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:21,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,534 INFO L229 MonitoredProcess]: Starting monitored process 1750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1750)] Waiting until timeout for monitored process [2024-11-13 22:04:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:21,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1750)] Ended with exit code 0 [2024-11-13 22:04:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:21,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,679 INFO L229 MonitoredProcess]: Starting monitored process 1751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1751)] Waiting until timeout for monitored process [2024-11-13 22:04:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:21,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1751)] Ended with exit code 0 [2024-11-13 22:04:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:21,821 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:21,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:21,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,823 INFO L229 MonitoredProcess]: Starting monitored process 1752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1752)] Waiting until timeout for monitored process [2024-11-13 22:04:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:21,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:21,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:21,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1752)] Ended with exit code 0 [2024-11-13 22:04:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:21,958 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:21,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,960 INFO L229 MonitoredProcess]: Starting monitored process 1753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1753)] Waiting until timeout for monitored process [2024-11-13 22:04:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:22,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:22,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1753)] Ended with exit code 0 [2024-11-13 22:04:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:22,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:22,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:22,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:22,103 INFO L229 MonitoredProcess]: Starting monitored process 1754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:22,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1754)] Waiting until timeout for monitored process [2024-11-13 22:04:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:22,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:22,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1754)] Ended with exit code 0 [2024-11-13 22:04:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:22,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:22,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:22,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:22,258 INFO L229 MonitoredProcess]: Starting monitored process 1755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:22,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1755)] Waiting until timeout for monitored process [2024-11-13 22:04:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:22,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:22,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1755)] Ended with exit code 0 [2024-11-13 22:04:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:22,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:22,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:22,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:22,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:22,423 INFO L229 MonitoredProcess]: Starting monitored process 1756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:22,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1756)] Waiting until timeout for monitored process [2024-11-13 22:04:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:22,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:22,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1756)] Ended with exit code 0 [2024-11-13 22:04:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:22,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:22,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:22,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:22,601 INFO L229 MonitoredProcess]: Starting monitored process 1757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:22,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1757)] Waiting until timeout for monitored process [2024-11-13 22:04:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:22,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:22,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1757)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:22,778 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:22,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:22,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:22,780 INFO L229 MonitoredProcess]: Starting monitored process 1758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:22,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1758)] Waiting until timeout for monitored process [2024-11-13 22:04:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:22,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:22,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1758)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:22,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:22,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:22,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:22,957 INFO L229 MonitoredProcess]: Starting monitored process 1759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:22,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1759)] Waiting until timeout for monitored process [2024-11-13 22:04:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:23,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:23,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1759)] Ended with exit code 0 [2024-11-13 22:04:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:23,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,137 INFO L229 MonitoredProcess]: Starting monitored process 1760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1760)] Waiting until timeout for monitored process [2024-11-13 22:04:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:23,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:23,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1760)] Ended with exit code 0 [2024-11-13 22:04:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:23,312 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:23,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:23,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,315 INFO L229 MonitoredProcess]: Starting monitored process 1761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1761)] Waiting until timeout for monitored process [2024-11-13 22:04:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:23,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:23,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1761)] Ended with exit code 0 [2024-11-13 22:04:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:23,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,491 INFO L229 MonitoredProcess]: Starting monitored process 1762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1762)] Waiting until timeout for monitored process [2024-11-13 22:04:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:23,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:23,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1762)] Ended with exit code 0 [2024-11-13 22:04:23,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:23,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,644 INFO L229 MonitoredProcess]: Starting monitored process 1763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1763)] Waiting until timeout for monitored process [2024-11-13 22:04:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:23,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:23,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1763)] Ended with exit code 0 [2024-11-13 22:04:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:23,797 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:23,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,799 INFO L229 MonitoredProcess]: Starting monitored process 1764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1764)] Waiting until timeout for monitored process [2024-11-13 22:04:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:23,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:23,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:23,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1764)] Ended with exit code 0 [2024-11-13 22:04:23,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:23,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:23,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:23,958 INFO L229 MonitoredProcess]: Starting monitored process 1765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:23,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1765)] Waiting until timeout for monitored process [2024-11-13 22:04:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:24,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:24,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1765)] Ended with exit code 0 [2024-11-13 22:04:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:24,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:24,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:24,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:24,117 INFO L229 MonitoredProcess]: Starting monitored process 1766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1766)] Waiting until timeout for monitored process [2024-11-13 22:04:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:24,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1766)] Ended with exit code 0 [2024-11-13 22:04:24,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:24,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:24,273 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:24,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:24,275 INFO L229 MonitoredProcess]: Starting monitored process 1767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1767)] Waiting until timeout for monitored process [2024-11-13 22:04:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:24,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1767)] Ended with exit code 0 [2024-11-13 22:04:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:24,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:24,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:24,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:24,439 INFO L229 MonitoredProcess]: Starting monitored process 1768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1768)] Waiting until timeout for monitored process [2024-11-13 22:04:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:24,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1768)] Ended with exit code 0 [2024-11-13 22:04:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:24,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:24,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:24,598 INFO L229 MonitoredProcess]: Starting monitored process 1769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1769)] Waiting until timeout for monitored process [2024-11-13 22:04:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:24,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1769)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:24,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:24,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:24,753 INFO L229 MonitoredProcess]: Starting monitored process 1770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1770)] Waiting until timeout for monitored process [2024-11-13 22:04:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:24,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:24,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1770)] Ended with exit code 0 [2024-11-13 22:04:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:24,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:24,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:24,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:24,913 INFO L229 MonitoredProcess]: Starting monitored process 1771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:24,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1771)] Waiting until timeout for monitored process [2024-11-13 22:04:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:24,987 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:25,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1771)] Ended with exit code 0 [2024-11-13 22:04:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:25,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:25,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:25,078 INFO L229 MonitoredProcess]: Starting monitored process 1772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:25,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1772)] Waiting until timeout for monitored process [2024-11-13 22:04:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:25,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1772)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:25,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:25,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:25,231 INFO L229 MonitoredProcess]: Starting monitored process 1773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:25,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1773)] Waiting until timeout for monitored process [2024-11-13 22:04:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:25,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1773)] Ended with exit code 0 [2024-11-13 22:04:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:25,384 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:25,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:25,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:25,386 INFO L229 MonitoredProcess]: Starting monitored process 1774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:25,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1774)] Waiting until timeout for monitored process [2024-11-13 22:04:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:25,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1774)] Ended with exit code 0 [2024-11-13 22:04:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:25,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:25,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:25,550 INFO L229 MonitoredProcess]: Starting monitored process 1775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:25,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1775)] Waiting until timeout for monitored process [2024-11-13 22:04:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:25,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1775)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:25,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:25,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:25,714 INFO L229 MonitoredProcess]: Starting monitored process 1776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:25,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1776)] Waiting until timeout for monitored process [2024-11-13 22:04:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:25,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1776)] Ended with exit code 0 [2024-11-13 22:04:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:25,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:25,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:25,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:25,867 INFO L229 MonitoredProcess]: Starting monitored process 1777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:25,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1777)] Waiting until timeout for monitored process [2024-11-13 22:04:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:25,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:25,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:26,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1777)] Ended with exit code 0 [2024-11-13 22:04:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,022 INFO L229 MonitoredProcess]: Starting monitored process 1778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1778)] Waiting until timeout for monitored process [2024-11-13 22:04:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:26,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1778)] Ended with exit code 0 [2024-11-13 22:04:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,174 INFO L229 MonitoredProcess]: Starting monitored process 1779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1779)] Waiting until timeout for monitored process [2024-11-13 22:04:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:26,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1779)] Ended with exit code 0 [2024-11-13 22:04:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,337 INFO L229 MonitoredProcess]: Starting monitored process 1780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1780)] Waiting until timeout for monitored process [2024-11-13 22:04:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:26,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1780)] Ended with exit code 0 [2024-11-13 22:04:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,495 INFO L229 MonitoredProcess]: Starting monitored process 1781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1781)] Waiting until timeout for monitored process [2024-11-13 22:04:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:26,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1781)] Ended with exit code 0 [2024-11-13 22:04:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,650 INFO L229 MonitoredProcess]: Starting monitored process 1782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1782)] Waiting until timeout for monitored process [2024-11-13 22:04:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:26,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1782)] Ended with exit code 0 [2024-11-13 22:04:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:26,818 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,820 INFO L229 MonitoredProcess]: Starting monitored process 1783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1783)] Waiting until timeout for monitored process [2024-11-13 22:04:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:26,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:26,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:26,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1783)] Ended with exit code 0 [2024-11-13 22:04:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:26,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:26,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:26,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:26,990 INFO L229 MonitoredProcess]: Starting monitored process 1784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:26,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1784)] Waiting until timeout for monitored process [2024-11-13 22:04:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:27,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:27,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1784)] Ended with exit code 0 [2024-11-13 22:04:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:27,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:27,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:27,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:27,144 INFO L229 MonitoredProcess]: Starting monitored process 1785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:27,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1785)] Waiting until timeout for monitored process [2024-11-13 22:04:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:27,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:27,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1785)] Ended with exit code 0 [2024-11-13 22:04:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:27,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:27,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:27,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:27,305 INFO L229 MonitoredProcess]: Starting monitored process 1786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:27,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1786)] Waiting until timeout for monitored process [2024-11-13 22:04:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:27,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:27,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1786)] Ended with exit code 0 [2024-11-13 22:04:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:27,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:27,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:27,469 INFO L229 MonitoredProcess]: Starting monitored process 1787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:27,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1787)] Waiting until timeout for monitored process [2024-11-13 22:04:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:27,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:27,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1787)] Ended with exit code 0 [2024-11-13 22:04:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:27,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:27,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:27,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:27,629 INFO L229 MonitoredProcess]: Starting monitored process 1788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:27,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1788)] Waiting until timeout for monitored process [2024-11-13 22:04:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:27,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:27,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1788)] Ended with exit code 0 [2024-11-13 22:04:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:27,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:27,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:27,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:27,786 INFO L229 MonitoredProcess]: Starting monitored process 1789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:27,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1789)] Waiting until timeout for monitored process [2024-11-13 22:04:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:27,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:27,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:27,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1789)] Ended with exit code 0 [2024-11-13 22:04:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:27,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:27,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:27,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:27,950 INFO L229 MonitoredProcess]: Starting monitored process 1790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:27,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1790)] Waiting until timeout for monitored process [2024-11-13 22:04:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:28,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1790)] Ended with exit code 0 [2024-11-13 22:04:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:28,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:28,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:28,108 INFO L229 MonitoredProcess]: Starting monitored process 1791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:28,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1791)] Waiting until timeout for monitored process [2024-11-13 22:04:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:28,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1791)] Ended with exit code 0 [2024-11-13 22:04:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:28,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:28,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:28,268 INFO L229 MonitoredProcess]: Starting monitored process 1792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:28,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1792)] Waiting until timeout for monitored process [2024-11-13 22:04:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:28,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1792)] Ended with exit code 0 [2024-11-13 22:04:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:28,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:28,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:28,430 INFO L229 MonitoredProcess]: Starting monitored process 1793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:28,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1793)] Waiting until timeout for monitored process [2024-11-13 22:04:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:28,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1793)] Ended with exit code 0 [2024-11-13 22:04:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:28,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:28,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:28,593 INFO L229 MonitoredProcess]: Starting monitored process 1794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:28,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1794)] Waiting until timeout for monitored process [2024-11-13 22:04:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:28,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1794)] Ended with exit code 0 [2024-11-13 22:04:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:28,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:28,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:28,754 INFO L229 MonitoredProcess]: Starting monitored process 1795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:28,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1795)] Waiting until timeout for monitored process [2024-11-13 22:04:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:28,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:28,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:28,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1795)] Ended with exit code 0 [2024-11-13 22:04:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:28,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:28,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:28,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:28,989 INFO L229 MonitoredProcess]: Starting monitored process 1796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:28,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1796)] Waiting until timeout for monitored process [2024-11-13 22:04:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:29,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:29,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1796)] Ended with exit code 0 [2024-11-13 22:04:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:29,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:29,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:29,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:29,198 INFO L229 MonitoredProcess]: Starting monitored process 1797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:29,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1797)] Waiting until timeout for monitored process [2024-11-13 22:04:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:29,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:29,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1797)] Ended with exit code 0 [2024-11-13 22:04:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:29,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:29,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:29,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:29,348 INFO L229 MonitoredProcess]: Starting monitored process 1798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:29,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1798)] Waiting until timeout for monitored process [2024-11-13 22:04:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:29,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:29,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1798)] Ended with exit code 0 [2024-11-13 22:04:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:29,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:29,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:29,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:29,551 INFO L229 MonitoredProcess]: Starting monitored process 1799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:29,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1799)] Waiting until timeout for monitored process [2024-11-13 22:04:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:29,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:29,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1799)] Ended with exit code 0 [2024-11-13 22:04:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:29,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:29,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:29,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:29,787 INFO L229 MonitoredProcess]: Starting monitored process 1800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:29,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1800)] Waiting until timeout for monitored process [2024-11-13 22:04:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:29,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:29,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:29,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1800)] Ended with exit code 0 [2024-11-13 22:04:29,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:29,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:29,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:29,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:29,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:29,980 INFO L229 MonitoredProcess]: Starting monitored process 1801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:29,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1801)] Waiting until timeout for monitored process [2024-11-13 22:04:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:30,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:30,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1801)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:30,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:30,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:30,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:30,145 INFO L229 MonitoredProcess]: Starting monitored process 1802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:30,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1802)] Waiting until timeout for monitored process [2024-11-13 22:04:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:30,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:30,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1802)] Ended with exit code 0 [2024-11-13 22:04:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:30,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:30,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:30,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:30,304 INFO L229 MonitoredProcess]: Starting monitored process 1803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:30,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1803)] Waiting until timeout for monitored process [2024-11-13 22:04:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,372 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:30,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:30,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1803)] Ended with exit code 0 [2024-11-13 22:04:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:30,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:30,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:30,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:30,465 INFO L229 MonitoredProcess]: Starting monitored process 1804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:30,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1804)] Waiting until timeout for monitored process [2024-11-13 22:04:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:30,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:30,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1804)] Ended with exit code 0 [2024-11-13 22:04:30,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:30,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:30,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:30,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:30,627 INFO L229 MonitoredProcess]: Starting monitored process 1805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:30,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1805)] Waiting until timeout for monitored process [2024-11-13 22:04:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:30,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:30,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1805)] Ended with exit code 0 [2024-11-13 22:04:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:30,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:30,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:30,789 INFO L229 MonitoredProcess]: Starting monitored process 1806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:30,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1806)] Waiting until timeout for monitored process [2024-11-13 22:04:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:30,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:30,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:30,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1806)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:30,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:30,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:30,946 INFO L229 MonitoredProcess]: Starting monitored process 1807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:30,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1807)] Waiting until timeout for monitored process [2024-11-13 22:04:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:31,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1807)] Ended with exit code 0 [2024-11-13 22:04:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:31,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:31,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:31,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:31,110 INFO L229 MonitoredProcess]: Starting monitored process 1808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:31,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1808)] Waiting until timeout for monitored process [2024-11-13 22:04:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:31,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1808)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:31,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:31,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:31,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:31,268 INFO L229 MonitoredProcess]: Starting monitored process 1809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:31,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1809)] Waiting until timeout for monitored process [2024-11-13 22:04:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:31,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1809)] Ended with exit code 0 [2024-11-13 22:04:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:31,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:31,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:31,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:31,424 INFO L229 MonitoredProcess]: Starting monitored process 1810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:31,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1810)] Waiting until timeout for monitored process [2024-11-13 22:04:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:31,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1810)] Ended with exit code 0 [2024-11-13 22:04:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:31,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:31,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:31,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:31,586 INFO L229 MonitoredProcess]: Starting monitored process 1811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:31,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1811)] Waiting until timeout for monitored process [2024-11-13 22:04:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:31,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1811)] Ended with exit code 0 [2024-11-13 22:04:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:31,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:31,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:31,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:31,751 INFO L229 MonitoredProcess]: Starting monitored process 1812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:31,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1812)] Waiting until timeout for monitored process [2024-11-13 22:04:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:31,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1812)] Ended with exit code 0 [2024-11-13 22:04:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:31,901 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:31,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:31,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:31,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:31,903 INFO L229 MonitoredProcess]: Starting monitored process 1813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:31,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1813)] Waiting until timeout for monitored process [2024-11-13 22:04:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:31,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:31,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:32,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1813)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:32,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:32,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:32,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:32,062 INFO L229 MonitoredProcess]: Starting monitored process 1814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:32,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1814)] Waiting until timeout for monitored process [2024-11-13 22:04:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:32,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:32,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1814)] Ended with exit code 0 [2024-11-13 22:04:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:32,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:32,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:32,225 INFO L229 MonitoredProcess]: Starting monitored process 1815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:32,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1815)] Waiting until timeout for monitored process [2024-11-13 22:04:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:32,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:32,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1815)] Ended with exit code 0 [2024-11-13 22:04:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:32,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:32,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:32,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:32,381 INFO L229 MonitoredProcess]: Starting monitored process 1816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:32,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1816)] Waiting until timeout for monitored process [2024-11-13 22:04:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,451 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:32,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:32,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1816)] Ended with exit code 0 [2024-11-13 22:04:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:32,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:32,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:32,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:32,538 INFO L229 MonitoredProcess]: Starting monitored process 1817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:32,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1817)] Waiting until timeout for monitored process [2024-11-13 22:04:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:32,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:32,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1817)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:32,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:32,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:32,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:32,699 INFO L229 MonitoredProcess]: Starting monitored process 1818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:32,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1818)] Waiting until timeout for monitored process [2024-11-13 22:04:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:32,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:32,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1818)] Ended with exit code 0 [2024-11-13 22:04:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:32,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:32,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:32,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:32,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:32,850 INFO L229 MonitoredProcess]: Starting monitored process 1819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:32,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1819)] Waiting until timeout for monitored process [2024-11-13 22:04:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:32,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:32,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:33,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1819)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:33,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,011 INFO L229 MonitoredProcess]: Starting monitored process 1820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1820)] Waiting until timeout for monitored process [2024-11-13 22:04:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:33,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:33,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1820)] Ended with exit code 0 [2024-11-13 22:04:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:33,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:33,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,174 INFO L229 MonitoredProcess]: Starting monitored process 1821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1821)] Waiting until timeout for monitored process [2024-11-13 22:04:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:33,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:33,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1821)] Ended with exit code 0 [2024-11-13 22:04:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:33,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,331 INFO L229 MonitoredProcess]: Starting monitored process 1822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1822)] Waiting until timeout for monitored process [2024-11-13 22:04:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:33,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:33,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1822)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:33,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,494 INFO L229 MonitoredProcess]: Starting monitored process 1823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1823)] Waiting until timeout for monitored process [2024-11-13 22:04:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:33,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:33,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1823)] Ended with exit code 0 [2024-11-13 22:04:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:33,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:33,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,658 INFO L229 MonitoredProcess]: Starting monitored process 1824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1824)] Waiting until timeout for monitored process [2024-11-13 22:04:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:33,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:33,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1824)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:33,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,812 INFO L229 MonitoredProcess]: Starting monitored process 1825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1825)] Waiting until timeout for monitored process [2024-11-13 22:04:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:33,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:33,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:33,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1825)] Ended with exit code 0 [2024-11-13 22:04:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:33,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:33,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:33,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:33,965 INFO L229 MonitoredProcess]: Starting monitored process 1826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:33,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1826)] Waiting until timeout for monitored process [2024-11-13 22:04:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:34,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1826)] Ended with exit code 0 [2024-11-13 22:04:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:34,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:34,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:34,127 INFO L229 MonitoredProcess]: Starting monitored process 1827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:34,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1827)] Waiting until timeout for monitored process [2024-11-13 22:04:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:34,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1827)] Ended with exit code 0 [2024-11-13 22:04:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:34,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:34,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:34,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:34,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:34,290 INFO L229 MonitoredProcess]: Starting monitored process 1828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:34,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1828)] Waiting until timeout for monitored process [2024-11-13 22:04:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:34,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1828)] Ended with exit code 0 [2024-11-13 22:04:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:34,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:34,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:34,447 INFO L229 MonitoredProcess]: Starting monitored process 1829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:34,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1829)] Waiting until timeout for monitored process [2024-11-13 22:04:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:34,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1829)] Ended with exit code 0 [2024-11-13 22:04:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:34,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:34,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:34,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:34,609 INFO L229 MonitoredProcess]: Starting monitored process 1830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:34,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1830)] Waiting until timeout for monitored process [2024-11-13 22:04:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:34,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1830)] Ended with exit code 0 [2024-11-13 22:04:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:34,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:34,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:34,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:34,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:34,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:34,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:34,767 INFO L229 MonitoredProcess]: Starting monitored process 1831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:34,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1831)] Waiting until timeout for monitored process [2024-11-13 22:04:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:34,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:34,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:34,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1831)] Ended with exit code 0 [2024-11-13 22:04:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:34,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:34,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:34,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:34,930 INFO L229 MonitoredProcess]: Starting monitored process 1832 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:34,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1832)] Waiting until timeout for monitored process [2024-11-13 22:04:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:35,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1832)] Ended with exit code 0 [2024-11-13 22:04:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:35,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:35,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:35,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:35,092 INFO L229 MonitoredProcess]: Starting monitored process 1833 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:35,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1833)] Waiting until timeout for monitored process [2024-11-13 22:04:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:35,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1833)] Ended with exit code 0 [2024-11-13 22:04:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:35,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:35,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:35,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:35,245 INFO L229 MonitoredProcess]: Starting monitored process 1834 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:35,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1834)] Waiting until timeout for monitored process [2024-11-13 22:04:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:35,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1834)] Ended with exit code 0 [2024-11-13 22:04:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:35,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:35,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:35,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:35,399 INFO L229 MonitoredProcess]: Starting monitored process 1835 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:35,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1835)] Waiting until timeout for monitored process [2024-11-13 22:04:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:35,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1835)] Ended with exit code 0 [2024-11-13 22:04:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:35,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:35,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:35,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:35,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:35,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:35,567 INFO L229 MonitoredProcess]: Starting monitored process 1836 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:35,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1836)] Waiting until timeout for monitored process [2024-11-13 22:04:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:35,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1836)] Ended with exit code 0 [2024-11-13 22:04:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:35,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:35,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:35,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:35,728 INFO L229 MonitoredProcess]: Starting monitored process 1837 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:35,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1837)] Waiting until timeout for monitored process [2024-11-13 22:04:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:35,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1837)] Ended with exit code 0 [2024-11-13 22:04:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:35,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:35,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:35,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:35,884 INFO L229 MonitoredProcess]: Starting monitored process 1838 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:35,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1838)] Waiting until timeout for monitored process [2024-11-13 22:04:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:35,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:35,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:36,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1838)] Ended with exit code 0 [2024-11-13 22:04:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:36,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,045 INFO L229 MonitoredProcess]: Starting monitored process 1839 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1839)] Waiting until timeout for monitored process [2024-11-13 22:04:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:36,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1839)] Ended with exit code 0 [2024-11-13 22:04:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:36,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,212 INFO L229 MonitoredProcess]: Starting monitored process 1840 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1840)] Waiting until timeout for monitored process [2024-11-13 22:04:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:36,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1840)] Ended with exit code 0 [2024-11-13 22:04:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:36,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,364 INFO L229 MonitoredProcess]: Starting monitored process 1841 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1841)] Waiting until timeout for monitored process [2024-11-13 22:04:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:36,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1841)] Ended with exit code 0 [2024-11-13 22:04:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:36,520 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:36,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,522 INFO L229 MonitoredProcess]: Starting monitored process 1842 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1842)] Waiting until timeout for monitored process [2024-11-13 22:04:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:36,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1842)] Ended with exit code 0 [2024-11-13 22:04:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:36,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:36,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,688 INFO L229 MonitoredProcess]: Starting monitored process 1843 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1843)] Waiting until timeout for monitored process [2024-11-13 22:04:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:36,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1843)] Ended with exit code 0 [2024-11-13 22:04:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:36,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:36,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:36,847 INFO L229 MonitoredProcess]: Starting monitored process 1844 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:36,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1844)] Waiting until timeout for monitored process [2024-11-13 22:04:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:36,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:36,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:37,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1844)] Ended with exit code 0 [2024-11-13 22:04:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:37,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:37,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:37,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:37,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:37,023 INFO L229 MonitoredProcess]: Starting monitored process 1845 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:37,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1845)] Waiting until timeout for monitored process [2024-11-13 22:04:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:37,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:37,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1845)] Ended with exit code 0 [2024-11-13 22:04:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:37,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:37,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:37,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:37,189 INFO L229 MonitoredProcess]: Starting monitored process 1846 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:37,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1846)] Waiting until timeout for monitored process [2024-11-13 22:04:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:37,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:37,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1846)] Ended with exit code 0 [2024-11-13 22:04:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:37,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:37,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:37,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:37,367 INFO L229 MonitoredProcess]: Starting monitored process 1847 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:37,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1847)] Waiting until timeout for monitored process [2024-11-13 22:04:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:37,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:37,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1847)] Ended with exit code 0 [2024-11-13 22:04:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:37,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:37,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:37,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:37,513 INFO L229 MonitoredProcess]: Starting monitored process 1848 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:37,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1848)] Waiting until timeout for monitored process [2024-11-13 22:04:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:37,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:37,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1848)] Ended with exit code 0 [2024-11-13 22:04:37,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:37,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:37,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:37,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:37,654 INFO L229 MonitoredProcess]: Starting monitored process 1849 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:37,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1849)] Waiting until timeout for monitored process [2024-11-13 22:04:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:37,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:37,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1849)] Ended with exit code 0 [2024-11-13 22:04:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:37,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:37,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:37,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:37,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:37,792 INFO L229 MonitoredProcess]: Starting monitored process 1850 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:37,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1850)] Waiting until timeout for monitored process [2024-11-13 22:04:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:37,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:37,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:37,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1850)] Ended with exit code 0 [2024-11-13 22:04:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:37,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:37,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:37,951 INFO L229 MonitoredProcess]: Starting monitored process 1851 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:37,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1851)] Waiting until timeout for monitored process [2024-11-13 22:04:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:38,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1851)] Ended with exit code 0 [2024-11-13 22:04:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:38,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,121 INFO L229 MonitoredProcess]: Starting monitored process 1852 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1852)] Waiting until timeout for monitored process [2024-11-13 22:04:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:38,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1852)] Ended with exit code 0 [2024-11-13 22:04:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:38,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,278 INFO L229 MonitoredProcess]: Starting monitored process 1853 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1853)] Waiting until timeout for monitored process [2024-11-13 22:04:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:38,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1853)] Ended with exit code 0 [2024-11-13 22:04:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:38,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,433 INFO L229 MonitoredProcess]: Starting monitored process 1854 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1854)] Waiting until timeout for monitored process [2024-11-13 22:04:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:38,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1854)] Ended with exit code 0 [2024-11-13 22:04:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:38,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,599 INFO L229 MonitoredProcess]: Starting monitored process 1855 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1855)] Waiting until timeout for monitored process [2024-11-13 22:04:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:38,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1855)] Ended with exit code 0 [2024-11-13 22:04:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:38,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,764 INFO L229 MonitoredProcess]: Starting monitored process 1856 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1856)] Waiting until timeout for monitored process [2024-11-13 22:04:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:38,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:38,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1856)] Ended with exit code 0 [2024-11-13 22:04:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:38,913 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:38,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:38,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:38,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:38,915 INFO L229 MonitoredProcess]: Starting monitored process 1857 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:38,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1857)] Waiting until timeout for monitored process [2024-11-13 22:04:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:38,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:39,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:39,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1857)] Ended with exit code 0 [2024-11-13 22:04:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:39,069 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:39,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:39,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:39,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:39,071 INFO L229 MonitoredProcess]: Starting monitored process 1858 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:39,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1858)] Waiting until timeout for monitored process [2024-11-13 22:04:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:39,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:39,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1858)] Ended with exit code 0 [2024-11-13 22:04:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:39,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:39,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:39,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:39,233 INFO L229 MonitoredProcess]: Starting monitored process 1859 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:39,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1859)] Waiting until timeout for monitored process [2024-11-13 22:04:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:39,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:39,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1859)] Ended with exit code 0 [2024-11-13 22:04:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:39,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:39,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:39,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:39,391 INFO L229 MonitoredProcess]: Starting monitored process 1860 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:39,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1860)] Waiting until timeout for monitored process [2024-11-13 22:04:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:39,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:39,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1860)] Ended with exit code 0 [2024-11-13 22:04:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:39,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:39,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:39,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:39,567 INFO L229 MonitoredProcess]: Starting monitored process 1861 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:39,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1861)] Waiting until timeout for monitored process [2024-11-13 22:04:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:39,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:39,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1861)] Ended with exit code 0 [2024-11-13 22:04:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:39,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:39,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:39,787 INFO L229 MonitoredProcess]: Starting monitored process 1862 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:39,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1862)] Waiting until timeout for monitored process [2024-11-13 22:04:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:39,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:39,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:39,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1862)] Ended with exit code 0 [2024-11-13 22:04:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:39,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:39,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:39,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:39,995 INFO L229 MonitoredProcess]: Starting monitored process 1863 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:39,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1863)] Waiting until timeout for monitored process [2024-11-13 22:04:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:40,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1863)] Ended with exit code 0 [2024-11-13 22:04:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:40,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,157 INFO L229 MonitoredProcess]: Starting monitored process 1864 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1864)] Waiting until timeout for monitored process [2024-11-13 22:04:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:40,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1864)] Ended with exit code 0 [2024-11-13 22:04:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:40,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,320 INFO L229 MonitoredProcess]: Starting monitored process 1865 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1865)] Waiting until timeout for monitored process [2024-11-13 22:04:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:40,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1865)] Ended with exit code 0 [2024-11-13 22:04:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:40,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,481 INFO L229 MonitoredProcess]: Starting monitored process 1866 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1866)] Waiting until timeout for monitored process [2024-11-13 22:04:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:40,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1866)] Ended with exit code 0 [2024-11-13 22:04:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:40,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,636 INFO L229 MonitoredProcess]: Starting monitored process 1867 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1867)] Waiting until timeout for monitored process [2024-11-13 22:04:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:40,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1867)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:40,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,800 INFO L229 MonitoredProcess]: Starting monitored process 1868 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1868)] Waiting until timeout for monitored process [2024-11-13 22:04:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:40,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:40,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:40,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:40,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1868)] Ended with exit code 0 [2024-11-13 22:04:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:40,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:40,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:40,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:40,966 INFO L229 MonitoredProcess]: Starting monitored process 1869 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:40,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1869)] Waiting until timeout for monitored process [2024-11-13 22:04:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:41,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1869)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:41,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,118 INFO L229 MonitoredProcess]: Starting monitored process 1870 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1870)] Waiting until timeout for monitored process [2024-11-13 22:04:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:41,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1870)] Ended with exit code 0 [2024-11-13 22:04:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:41,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,277 INFO L229 MonitoredProcess]: Starting monitored process 1871 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1871)] Waiting until timeout for monitored process [2024-11-13 22:04:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:41,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1871)] Ended with exit code 0 [2024-11-13 22:04:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:41,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,438 INFO L229 MonitoredProcess]: Starting monitored process 1872 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1872)] Waiting until timeout for monitored process [2024-11-13 22:04:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:41,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1872)] Ended with exit code 0 [2024-11-13 22:04:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:41,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,594 INFO L229 MonitoredProcess]: Starting monitored process 1873 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1873)] Waiting until timeout for monitored process [2024-11-13 22:04:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:41,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1873)] Ended with exit code 0 [2024-11-13 22:04:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:41,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,763 INFO L229 MonitoredProcess]: Starting monitored process 1874 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1874)] Waiting until timeout for monitored process [2024-11-13 22:04:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:41,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:41,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:41,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1874)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:41,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:41,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:41,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:41,930 INFO L229 MonitoredProcess]: Starting monitored process 1875 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:41,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1875)] Waiting until timeout for monitored process [2024-11-13 22:04:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:42,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1875)] Ended with exit code 0 [2024-11-13 22:04:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:42,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:42,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,088 INFO L229 MonitoredProcess]: Starting monitored process 1876 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1876)] Waiting until timeout for monitored process [2024-11-13 22:04:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:42,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1876)] Ended with exit code 0 [2024-11-13 22:04:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:42,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,227 INFO L229 MonitoredProcess]: Starting monitored process 1877 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1877)] Waiting until timeout for monitored process [2024-11-13 22:04:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:42,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1877)] Ended with exit code 0 [2024-11-13 22:04:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:42,362 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:42,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,364 INFO L229 MonitoredProcess]: Starting monitored process 1878 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1878)] Waiting until timeout for monitored process [2024-11-13 22:04:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:42,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1878)] Ended with exit code 0 [2024-11-13 22:04:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:42,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,500 INFO L229 MonitoredProcess]: Starting monitored process 1879 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1879)] Waiting until timeout for monitored process [2024-11-13 22:04:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,564 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:42,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1879)] Ended with exit code 0 [2024-11-13 22:04:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:42,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,652 INFO L229 MonitoredProcess]: Starting monitored process 1880 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1880)] Waiting until timeout for monitored process [2024-11-13 22:04:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:42,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1880)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:42,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,808 INFO L229 MonitoredProcess]: Starting monitored process 1881 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1881)] Waiting until timeout for monitored process [2024-11-13 22:04:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:42,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1881)] Ended with exit code 0 [2024-11-13 22:04:42,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:42,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,976 INFO L229 MonitoredProcess]: Starting monitored process 1882 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1882)] Waiting until timeout for monitored process [2024-11-13 22:04:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:43,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1882)] Ended with exit code 0 [2024-11-13 22:04:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:43,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:43,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:43,150 INFO L229 MonitoredProcess]: Starting monitored process 1883 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:43,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1883)] Waiting until timeout for monitored process [2024-11-13 22:04:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:43,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1883)] Ended with exit code 0 [2024-11-13 22:04:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:43,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:43,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:43,331 INFO L229 MonitoredProcess]: Starting monitored process 1884 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:43,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1884)] Waiting until timeout for monitored process [2024-11-13 22:04:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:43,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1884)] Ended with exit code 0 [2024-11-13 22:04:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:43,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:43,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:43,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:43,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:43,507 INFO L229 MonitoredProcess]: Starting monitored process 1885 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:43,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1885)] Waiting until timeout for monitored process [2024-11-13 22:04:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:43,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1885)] Ended with exit code 0 [2024-11-13 22:04:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:43,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:43,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:43,676 INFO L229 MonitoredProcess]: Starting monitored process 1886 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:43,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1886)] Waiting until timeout for monitored process [2024-11-13 22:04:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:43,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1886)] Ended with exit code 0 [2024-11-13 22:04:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:43,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:43,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:43,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:43,852 INFO L229 MonitoredProcess]: Starting monitored process 1887 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:43,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1887)] Waiting until timeout for monitored process [2024-11-13 22:04:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:43,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:43,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:44,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1887)] Ended with exit code 0 [2024-11-13 22:04:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:44,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,034 INFO L229 MonitoredProcess]: Starting monitored process 1888 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1888)] Waiting until timeout for monitored process [2024-11-13 22:04:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:44,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:44,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1888)] Ended with exit code 0 [2024-11-13 22:04:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:44,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:44,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,205 INFO L229 MonitoredProcess]: Starting monitored process 1889 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1889)] Waiting until timeout for monitored process [2024-11-13 22:04:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:44,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:44,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1889)] Ended with exit code 0 [2024-11-13 22:04:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:44,353 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:44,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,355 INFO L229 MonitoredProcess]: Starting monitored process 1890 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1890)] Waiting until timeout for monitored process [2024-11-13 22:04:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:44,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:44,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1890)] Ended with exit code 0 [2024-11-13 22:04:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:44,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,518 INFO L229 MonitoredProcess]: Starting monitored process 1891 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1891)] Waiting until timeout for monitored process [2024-11-13 22:04:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:44,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:44,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1891)] Ended with exit code 0 [2024-11-13 22:04:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:44,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,680 INFO L229 MonitoredProcess]: Starting monitored process 1892 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1892)] Waiting until timeout for monitored process [2024-11-13 22:04:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:44,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:44,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1892)] Ended with exit code 0 [2024-11-13 22:04:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:44,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,833 INFO L229 MonitoredProcess]: Starting monitored process 1893 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1893)] Waiting until timeout for monitored process [2024-11-13 22:04:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:44,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:44,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:44,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1893)] Ended with exit code 0 [2024-11-13 22:04:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:44,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:44,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:44,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:44,993 INFO L229 MonitoredProcess]: Starting monitored process 1894 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:44,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1894)] Waiting until timeout for monitored process [2024-11-13 22:04:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:45,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1894)] Ended with exit code 0 [2024-11-13 22:04:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:45,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:45,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:45,160 INFO L229 MonitoredProcess]: Starting monitored process 1895 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:45,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1895)] Waiting until timeout for monitored process [2024-11-13 22:04:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:45,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1895)] Ended with exit code 0 [2024-11-13 22:04:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:45,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:45,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:45,319 INFO L229 MonitoredProcess]: Starting monitored process 1896 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:45,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1896)] Waiting until timeout for monitored process [2024-11-13 22:04:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:45,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1896)] Ended with exit code 0 [2024-11-13 22:04:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:45,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:45,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:45,476 INFO L229 MonitoredProcess]: Starting monitored process 1897 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:45,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1897)] Waiting until timeout for monitored process [2024-11-13 22:04:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:45,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1897)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:45,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:45,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:45,635 INFO L229 MonitoredProcess]: Starting monitored process 1898 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:45,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1898)] Waiting until timeout for monitored process [2024-11-13 22:04:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:45,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1898)] Ended with exit code 0 [2024-11-13 22:04:45,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:45,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:45,791 INFO L229 MonitoredProcess]: Starting monitored process 1899 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:45,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1899)] Waiting until timeout for monitored process [2024-11-13 22:04:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,863 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:45,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:45,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:45,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1899)] Ended with exit code 0 [2024-11-13 22:04:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:45,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:45,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:45,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:45,957 INFO L229 MonitoredProcess]: Starting monitored process 1900 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:45,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1900)] Waiting until timeout for monitored process [2024-11-13 22:04:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:46,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:46,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1900)] Ended with exit code 0 [2024-11-13 22:04:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:46,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:46,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:46,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:46,120 INFO L229 MonitoredProcess]: Starting monitored process 1901 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:46,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1901)] Waiting until timeout for monitored process [2024-11-13 22:04:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:46,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:46,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1901)] Ended with exit code 0 [2024-11-13 22:04:46,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:46,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:46,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:46,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:46,278 INFO L229 MonitoredProcess]: Starting monitored process 1902 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:46,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1902)] Waiting until timeout for monitored process [2024-11-13 22:04:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:46,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:46,435 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:46,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1902)] Ended with exit code 0 [2024-11-13 22:04:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:46,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:46,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:46,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:46,449 INFO L229 MonitoredProcess]: Starting monitored process 1903 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:46,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1903)] Waiting until timeout for monitored process [2024-11-13 22:04:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:46,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:46,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1903)] Ended with exit code 0 [2024-11-13 22:04:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:46,618 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:46,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:46,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:46,620 INFO L229 MonitoredProcess]: Starting monitored process 1904 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:46,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1904)] Waiting until timeout for monitored process [2024-11-13 22:04:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:46,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:46,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1904)] Ended with exit code 0 [2024-11-13 22:04:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:46,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:46,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:46,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:46,780 INFO L229 MonitoredProcess]: Starting monitored process 1905 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:46,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1905)] Waiting until timeout for monitored process [2024-11-13 22:04:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:46,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:46,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:46,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1905)] Ended with exit code 0 [2024-11-13 22:04:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:46,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:46,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:46,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:46,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:46,937 INFO L229 MonitoredProcess]: Starting monitored process 1906 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:46,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1906)] Waiting until timeout for monitored process [2024-11-13 22:04:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:47,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:47,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1906)] Ended with exit code 0 [2024-11-13 22:04:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:47,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:47,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:47,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:47,097 INFO L229 MonitoredProcess]: Starting monitored process 1907 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:47,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1907)] Waiting until timeout for monitored process [2024-11-13 22:04:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:47,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:47,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1907)] Ended with exit code 0 [2024-11-13 22:04:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:47,267 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:47,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:47,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:47,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:47,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:47,268 INFO L229 MonitoredProcess]: Starting monitored process 1908 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:47,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1908)] Waiting until timeout for monitored process [2024-11-13 22:04:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:47,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:47,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1908)] Ended with exit code 0 [2024-11-13 22:04:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:47,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:47,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:47,439 INFO L229 MonitoredProcess]: Starting monitored process 1909 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:47,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1909)] Waiting until timeout for monitored process [2024-11-13 22:04:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:47,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:47,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1909)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:47,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:47,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:47,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:47,596 INFO L229 MonitoredProcess]: Starting monitored process 1910 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1910)] Waiting until timeout for monitored process [2024-11-13 22:04:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:47,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:47,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1910)] Ended with exit code 0 [2024-11-13 22:04:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:47,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:47,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:47,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:47,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:47,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:47,762 INFO L229 MonitoredProcess]: Starting monitored process 1911 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:47,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1911)] Waiting until timeout for monitored process [2024-11-13 22:04:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:47,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:47,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1911)] Ended with exit code 0 [2024-11-13 22:04:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:47,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:47,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:47,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:47,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:47,923 INFO L229 MonitoredProcess]: Starting monitored process 1912 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:47,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1912)] Waiting until timeout for monitored process [2024-11-13 22:04:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:47,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:48,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1912)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:48,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:48,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:48,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:48,078 INFO L229 MonitoredProcess]: Starting monitored process 1913 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:48,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1913)] Waiting until timeout for monitored process [2024-11-13 22:04:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:48,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1913)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:48,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:48,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:48,239 INFO L229 MonitoredProcess]: Starting monitored process 1914 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:48,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1914)] Waiting until timeout for monitored process [2024-11-13 22:04:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:48,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1914)] Ended with exit code 0 [2024-11-13 22:04:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:48,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:48,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:48,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:48,398 INFO L229 MonitoredProcess]: Starting monitored process 1915 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:48,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1915)] Waiting until timeout for monitored process [2024-11-13 22:04:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:48,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1915)] Ended with exit code 0 [2024-11-13 22:04:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:48,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:48,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:48,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:48,556 INFO L229 MonitoredProcess]: Starting monitored process 1916 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:48,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1916)] Waiting until timeout for monitored process [2024-11-13 22:04:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:48,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1916)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:48,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:48,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:48,712 INFO L229 MonitoredProcess]: Starting monitored process 1917 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:48,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1917)] Waiting until timeout for monitored process [2024-11-13 22:04:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:48,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1917)] Ended with exit code 0 [2024-11-13 22:04:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:48,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:48,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:48,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:48,876 INFO L229 MonitoredProcess]: Starting monitored process 1918 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:48,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1918)] Waiting until timeout for monitored process [2024-11-13 22:04:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:48,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:48,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:49,019 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:49,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1918)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:49,030 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:49,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:49,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:49,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:49,032 INFO L229 MonitoredProcess]: Starting monitored process 1919 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:49,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1919)] Waiting until timeout for monitored process [2024-11-13 22:04:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:49,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:49,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1919)] Ended with exit code 0 [2024-11-13 22:04:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:49,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:49,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:49,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:49,193 INFO L229 MonitoredProcess]: Starting monitored process 1920 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:49,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1920)] Waiting until timeout for monitored process [2024-11-13 22:04:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:49,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:49,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1920)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:49,360 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:49,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:49,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:49,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:49,362 INFO L229 MonitoredProcess]: Starting monitored process 1921 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:49,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1921)] Waiting until timeout for monitored process [2024-11-13 22:04:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:49,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:49,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1921)] Ended with exit code 0 [2024-11-13 22:04:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:49,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:49,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:49,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:49,629 INFO L229 MonitoredProcess]: Starting monitored process 1922 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:49,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1922)] Waiting until timeout for monitored process [2024-11-13 22:04:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:49,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:49,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1922)] Ended with exit code 0 [2024-11-13 22:04:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:49,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:49,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:49,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:49,813 INFO L229 MonitoredProcess]: Starting monitored process 1923 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:49,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1923)] Waiting until timeout for monitored process [2024-11-13 22:04:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:49,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:49,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:49,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1923)] Ended with exit code 0 [2024-11-13 22:04:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:49,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:49,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:49,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:49,987 INFO L229 MonitoredProcess]: Starting monitored process 1924 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:49,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1924)] Waiting until timeout for monitored process [2024-11-13 22:04:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:50,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:50,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1924)] Ended with exit code 0 [2024-11-13 22:04:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:50,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,148 INFO L229 MonitoredProcess]: Starting monitored process 1925 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1925)] Waiting until timeout for monitored process [2024-11-13 22:04:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:50,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:50,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1925)] Ended with exit code 0 [2024-11-13 22:04:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:50,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:50,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,303 INFO L229 MonitoredProcess]: Starting monitored process 1926 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1926)] Waiting until timeout for monitored process [2024-11-13 22:04:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:50,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:50,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1926)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:50,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,466 INFO L229 MonitoredProcess]: Starting monitored process 1927 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1927)] Waiting until timeout for monitored process [2024-11-13 22:04:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:50,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:50,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1927)] Ended with exit code 0 [2024-11-13 22:04:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:50,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,634 INFO L229 MonitoredProcess]: Starting monitored process 1928 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1928)] Waiting until timeout for monitored process [2024-11-13 22:04:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:50,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:50,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1928)] Ended with exit code 0 [2024-11-13 22:04:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:50,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,786 INFO L229 MonitoredProcess]: Starting monitored process 1929 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1929)] Waiting until timeout for monitored process [2024-11-13 22:04:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:50,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:50,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:50,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1929)] Ended with exit code 0 [2024-11-13 22:04:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:50,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:50,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:50,944 INFO L229 MonitoredProcess]: Starting monitored process 1930 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:50,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1930)] Waiting until timeout for monitored process [2024-11-13 22:04:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:51,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:51,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1930)] Ended with exit code 0 [2024-11-13 22:04:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:51,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:51,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:51,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:51,108 INFO L229 MonitoredProcess]: Starting monitored process 1931 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:51,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1931)] Waiting until timeout for monitored process [2024-11-13 22:04:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:51,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:51,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1931)] Ended with exit code 0 [2024-11-13 22:04:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:51,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:51,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:51,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:51,269 INFO L229 MonitoredProcess]: Starting monitored process 1932 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:51,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1932)] Waiting until timeout for monitored process [2024-11-13 22:04:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,338 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:51,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:51,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1932)] Ended with exit code 0 [2024-11-13 22:04:51,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:51,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:51,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:51,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:51,425 INFO L229 MonitoredProcess]: Starting monitored process 1933 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:51,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1933)] Waiting until timeout for monitored process [2024-11-13 22:04:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:51,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:51,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1933)] Ended with exit code 0 [2024-11-13 22:04:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:51,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:51,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:51,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:51,590 INFO L229 MonitoredProcess]: Starting monitored process 1934 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:51,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1934)] Waiting until timeout for monitored process [2024-11-13 22:04:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:51,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:51,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1934)] Ended with exit code 0 [2024-11-13 22:04:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:51,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:51,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:51,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:51,750 INFO L229 MonitoredProcess]: Starting monitored process 1935 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:51,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1935)] Waiting until timeout for monitored process [2024-11-13 22:04:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:51,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:51,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1935)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:51,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:51,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:51,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:51,906 INFO L229 MonitoredProcess]: Starting monitored process 1936 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:51,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1936)] Waiting until timeout for monitored process [2024-11-13 22:04:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:51,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:52,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1936)] Ended with exit code 0 [2024-11-13 22:04:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:52,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:52,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:52,072 INFO L229 MonitoredProcess]: Starting monitored process 1937 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:52,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1937)] Waiting until timeout for monitored process [2024-11-13 22:04:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:52,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1937)] Ended with exit code 0 [2024-11-13 22:04:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:52,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:52,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:52,232 INFO L229 MonitoredProcess]: Starting monitored process 1938 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:52,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1938)] Waiting until timeout for monitored process [2024-11-13 22:04:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:52,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1938)] Ended with exit code 0 [2024-11-13 22:04:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:52,384 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:52,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:52,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:52,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:52,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:52,385 INFO L229 MonitoredProcess]: Starting monitored process 1939 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:52,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1939)] Waiting until timeout for monitored process [2024-11-13 22:04:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:52,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1939)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:52,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:52,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:52,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:52,551 INFO L229 MonitoredProcess]: Starting monitored process 1940 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:52,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1940)] Waiting until timeout for monitored process [2024-11-13 22:04:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:52,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1940)] Ended with exit code 0 [2024-11-13 22:04:52,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:52,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:52,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:52,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:52,714 INFO L229 MonitoredProcess]: Starting monitored process 1941 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:52,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1941)] Waiting until timeout for monitored process [2024-11-13 22:04:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:52,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1941)] Ended with exit code 0 [2024-11-13 22:04:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:52,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:52,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:52,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:52,869 INFO L229 MonitoredProcess]: Starting monitored process 1942 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:52,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1942)] Waiting until timeout for monitored process [2024-11-13 22:04:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:52,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:52,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:53,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1942)] Ended with exit code 0 [2024-11-13 22:04:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:53,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,030 INFO L229 MonitoredProcess]: Starting monitored process 1943 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1943)] Waiting until timeout for monitored process [2024-11-13 22:04:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:53,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:53,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1943)] Ended with exit code 0 [2024-11-13 22:04:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:53,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,200 INFO L229 MonitoredProcess]: Starting monitored process 1944 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1944)] Waiting until timeout for monitored process [2024-11-13 22:04:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:53,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:53,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:53,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1944)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:53,355 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:53,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:53,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,357 INFO L229 MonitoredProcess]: Starting monitored process 1945 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1945)] Waiting until timeout for monitored process [2024-11-13 22:04:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:53,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:53,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1945)] Ended with exit code 0 [2024-11-13 22:04:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:53,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,508 INFO L229 MonitoredProcess]: Starting monitored process 1946 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1946)] Waiting until timeout for monitored process [2024-11-13 22:04:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:53,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:53,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1946)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:53,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,670 INFO L229 MonitoredProcess]: Starting monitored process 1947 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1947)] Waiting until timeout for monitored process [2024-11-13 22:04:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,743 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:53,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:53,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1947)] Ended with exit code 0 [2024-11-13 22:04:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:53,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,833 INFO L229 MonitoredProcess]: Starting monitored process 1948 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1948)] Waiting until timeout for monitored process [2024-11-13 22:04:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:53,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:53,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:53,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1948)] Ended with exit code 0 [2024-11-13 22:04:53,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:53,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:53,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:53,990 INFO L229 MonitoredProcess]: Starting monitored process 1949 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:53,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1949)] Waiting until timeout for monitored process [2024-11-13 22:04:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:54,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1949)] Ended with exit code 0 [2024-11-13 22:04:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:54,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,153 INFO L229 MonitoredProcess]: Starting monitored process 1950 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1950)] Waiting until timeout for monitored process [2024-11-13 22:04:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:54,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1950)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:54,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,323 INFO L229 MonitoredProcess]: Starting monitored process 1951 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1951)] Waiting until timeout for monitored process [2024-11-13 22:04:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:54,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1951)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:54,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,481 INFO L229 MonitoredProcess]: Starting monitored process 1952 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1952)] Waiting until timeout for monitored process [2024-11-13 22:04:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:54,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1952)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:54,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,641 INFO L229 MonitoredProcess]: Starting monitored process 1953 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1953)] Waiting until timeout for monitored process [2024-11-13 22:04:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:54,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1953)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:54,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,806 INFO L229 MonitoredProcess]: Starting monitored process 1954 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1954)] Waiting until timeout for monitored process [2024-11-13 22:04:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:54,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:54,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:54,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1954)] Ended with exit code 0 [2024-11-13 22:04:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:54,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:54,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:54,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:54,961 INFO L229 MonitoredProcess]: Starting monitored process 1955 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:54,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1955)] Waiting until timeout for monitored process [2024-11-13 22:04:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:55,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1955)] Ended with exit code 0 [2024-11-13 22:04:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:55,116 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:55,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:55,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:55,118 INFO L229 MonitoredProcess]: Starting monitored process 1956 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:55,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1956)] Waiting until timeout for monitored process [2024-11-13 22:04:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:55,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1956)] Ended with exit code 0 [2024-11-13 22:04:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:55,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:55,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:55,280 INFO L229 MonitoredProcess]: Starting monitored process 1957 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:55,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1957)] Waiting until timeout for monitored process [2024-11-13 22:04:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:55,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1957)] Ended with exit code 0 [2024-11-13 22:04:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:55,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:55,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:55,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:55,443 INFO L229 MonitoredProcess]: Starting monitored process 1958 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:55,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1958)] Waiting until timeout for monitored process [2024-11-13 22:04:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:55,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:55,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1958)] Ended with exit code 0 [2024-11-13 22:04:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:55,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:55,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:55,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:55,596 INFO L229 MonitoredProcess]: Starting monitored process 1959 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:55,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1959)] Waiting until timeout for monitored process [2024-11-13 22:04:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:55,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1959)] Ended with exit code 0 [2024-11-13 22:04:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:55,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:55,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:55,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:55,762 INFO L229 MonitoredProcess]: Starting monitored process 1960 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:55,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1960)] Waiting until timeout for monitored process [2024-11-13 22:04:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:55,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:55,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1960)] Ended with exit code 0 [2024-11-13 22:04:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:55,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:55,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:55,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:55,928 INFO L229 MonitoredProcess]: Starting monitored process 1961 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:55,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1961)] Waiting until timeout for monitored process [2024-11-13 22:04:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:55,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:56,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:56,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1961)] Ended with exit code 0 [2024-11-13 22:04:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:56,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:56,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:56,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:56,079 INFO L229 MonitoredProcess]: Starting monitored process 1962 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:56,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1962)] Waiting until timeout for monitored process [2024-11-13 22:04:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:56,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:56,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1962)] Ended with exit code 0 [2024-11-13 22:04:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:56,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:56,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:56,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:56,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:56,238 INFO L229 MonitoredProcess]: Starting monitored process 1963 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:56,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1963)] Waiting until timeout for monitored process [2024-11-13 22:04:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:56,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:56,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1963)] Ended with exit code 0 [2024-11-13 22:04:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:56,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:56,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:56,407 INFO L229 MonitoredProcess]: Starting monitored process 1964 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:56,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1964)] Waiting until timeout for monitored process [2024-11-13 22:04:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:56,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:56,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1964)] Ended with exit code 0 [2024-11-13 22:04:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:56,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:56,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:56,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:56,564 INFO L229 MonitoredProcess]: Starting monitored process 1965 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:56,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1965)] Waiting until timeout for monitored process [2024-11-13 22:04:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:56,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:56,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1965)] Ended with exit code 0 [2024-11-13 22:04:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:56,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:56,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:56,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:56,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:56,715 INFO L229 MonitoredProcess]: Starting monitored process 1966 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:56,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1966)] Waiting until timeout for monitored process [2024-11-13 22:04:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:56,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:56,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1966)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:56,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:56,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:56,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:56,878 INFO L229 MonitoredProcess]: Starting monitored process 1967 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:56,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1967)] Waiting until timeout for monitored process [2024-11-13 22:04:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:56,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:56,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:57,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1967)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:57,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,047 INFO L229 MonitoredProcess]: Starting monitored process 1968 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1968)] Waiting until timeout for monitored process [2024-11-13 22:04:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:57,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:57,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1968)] Ended with exit code 0 [2024-11-13 22:04:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:57,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,197 INFO L229 MonitoredProcess]: Starting monitored process 1969 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1969)] Waiting until timeout for monitored process [2024-11-13 22:04:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:57,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:57,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1969)] Ended with exit code 0 [2024-11-13 22:04:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:57,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:57,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,367 INFO L229 MonitoredProcess]: Starting monitored process 1970 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1970)] Waiting until timeout for monitored process [2024-11-13 22:04:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:57,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:57,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1970)] Ended with exit code 0 [2024-11-13 22:04:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:57,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,532 INFO L229 MonitoredProcess]: Starting monitored process 1971 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1971)] Waiting until timeout for monitored process [2024-11-13 22:04:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:57,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:57,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1971)] Ended with exit code 0 [2024-11-13 22:04:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:57,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,692 INFO L229 MonitoredProcess]: Starting monitored process 1972 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1972)] Waiting until timeout for monitored process [2024-11-13 22:04:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:57,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:57,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1972)] Ended with exit code 0 [2024-11-13 22:04:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:57,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:57,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:57,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:57,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:57,849 INFO L229 MonitoredProcess]: Starting monitored process 1973 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:57,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1973)] Waiting until timeout for monitored process [2024-11-13 22:04:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:57,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:57,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1973)] Ended with exit code 0 [2024-11-13 22:04:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:58,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:58,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:58,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:58,016 INFO L229 MonitoredProcess]: Starting monitored process 1974 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:58,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1974)] Waiting until timeout for monitored process [2024-11-13 22:04:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1974)] Ended with exit code 0 [2024-11-13 22:04:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:58,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:58,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:58,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:58,173 INFO L229 MonitoredProcess]: Starting monitored process 1975 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:58,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1975)] Waiting until timeout for monitored process [2024-11-13 22:04:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1975)] Ended with exit code 0 [2024-11-13 22:04:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:58,334 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:58,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:58,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:58,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:58,336 INFO L229 MonitoredProcess]: Starting monitored process 1976 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:58,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1976)] Waiting until timeout for monitored process [2024-11-13 22:04:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1976)] Ended with exit code 0 [2024-11-13 22:04:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:58,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:58,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:58,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:58,497 INFO L229 MonitoredProcess]: Starting monitored process 1977 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:58,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1977)] Waiting until timeout for monitored process [2024-11-13 22:04:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1977)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:58,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:58,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:58,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:58,652 INFO L229 MonitoredProcess]: Starting monitored process 1978 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:58,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1978)] Waiting until timeout for monitored process [2024-11-13 22:04:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1978)] Ended with exit code 0 [2024-11-13 22:04:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:58,801 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:58,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:58,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:58,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:58,803 INFO L229 MonitoredProcess]: Starting monitored process 1979 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:58,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1979)] Waiting until timeout for monitored process [2024-11-13 22:04:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:58,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:58,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:58,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1979)] Ended with exit code 0 [2024-11-13 22:04:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:58,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:58,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:58,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:58,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:58,963 INFO L229 MonitoredProcess]: Starting monitored process 1980 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:58,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1980)] Waiting until timeout for monitored process [2024-11-13 22:04:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:59,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:59,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1980)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:59,118 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:59,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:59,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:59,120 INFO L229 MonitoredProcess]: Starting monitored process 1981 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:59,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1981)] Waiting until timeout for monitored process [2024-11-13 22:04:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:59,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:59,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1981)] Ended with exit code 0 [2024-11-13 22:04:59,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:59,273 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:59,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:59,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:59,275 INFO L229 MonitoredProcess]: Starting monitored process 1982 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:59,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1982)] Waiting until timeout for monitored process [2024-11-13 22:04:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:59,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:59,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1982)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:59,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:59,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:59,455 INFO L229 MonitoredProcess]: Starting monitored process 1983 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:59,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1983)] Waiting until timeout for monitored process [2024-11-13 22:04:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:59,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:59,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1983)] Ended with exit code 0 [2024-11-13 22:04:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:59,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:59,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:59,700 INFO L229 MonitoredProcess]: Starting monitored process 1984 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:59,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1984)] Waiting until timeout for monitored process [2024-11-13 22:04:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:59,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:04:59,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1984)] Ended with exit code 0 [2024-11-13 22:04:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:04:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:04:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:04:59,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:59,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:59,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:59,871 INFO L229 MonitoredProcess]: Starting monitored process 1985 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:59,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1985)] Waiting until timeout for monitored process [2024-11-13 22:04:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:59,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:04:59,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1985)] Ended with exit code 0 [2024-11-13 22:05:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:00,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,027 INFO L229 MonitoredProcess]: Starting monitored process 1986 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1986)] Waiting until timeout for monitored process [2024-11-13 22:05:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1986)] Ended with exit code 0 [2024-11-13 22:05:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:00,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,189 INFO L229 MonitoredProcess]: Starting monitored process 1987 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1987)] Waiting until timeout for monitored process [2024-11-13 22:05:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1987)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:00,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,358 INFO L229 MonitoredProcess]: Starting monitored process 1988 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1988)] Waiting until timeout for monitored process [2024-11-13 22:05:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,427 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1988)] Ended with exit code 0 [2024-11-13 22:05:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:00,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,512 INFO L229 MonitoredProcess]: Starting monitored process 1989 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1989)] Waiting until timeout for monitored process [2024-11-13 22:05:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1989)] Ended with exit code 0 [2024-11-13 22:05:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:00,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,675 INFO L229 MonitoredProcess]: Starting monitored process 1990 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1990)] Waiting until timeout for monitored process [2024-11-13 22:05:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1990)] Ended with exit code 0 [2024-11-13 22:05:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:00,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:00,843 INFO L229 MonitoredProcess]: Starting monitored process 1991 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:00,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1991)] Waiting until timeout for monitored process [2024-11-13 22:05:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:00,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:00,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:00,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1991)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:01,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,010 INFO L229 MonitoredProcess]: Starting monitored process 1992 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1992)] Waiting until timeout for monitored process [2024-11-13 22:05:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:01,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1992)] Ended with exit code 0 [2024-11-13 22:05:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:01,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,173 INFO L229 MonitoredProcess]: Starting monitored process 1993 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1993)] Waiting until timeout for monitored process [2024-11-13 22:05:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:01,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1993)] Ended with exit code 0 [2024-11-13 22:05:01,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:01,337 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:01,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:01,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,339 INFO L229 MonitoredProcess]: Starting monitored process 1994 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1994)] Waiting until timeout for monitored process [2024-11-13 22:05:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:01,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1994)] Ended with exit code 0 [2024-11-13 22:05:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:01,480 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:01,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,482 INFO L229 MonitoredProcess]: Starting monitored process 1995 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1995)] Waiting until timeout for monitored process [2024-11-13 22:05:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:01,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1995)] Ended with exit code 0 [2024-11-13 22:05:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:01,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,625 INFO L229 MonitoredProcess]: Starting monitored process 1996 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1996)] Waiting until timeout for monitored process [2024-11-13 22:05:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:01,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1996)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:01,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,764 INFO L229 MonitoredProcess]: Starting monitored process 1997 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1997)] Waiting until timeout for monitored process [2024-11-13 22:05:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:01,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1997)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:01,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:01,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,910 INFO L229 MonitoredProcess]: Starting monitored process 1998 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1998)] Waiting until timeout for monitored process [2024-11-13 22:05:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:01,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:02,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1998)] Ended with exit code 0 [2024-11-13 22:05:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:02,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:02,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:02,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:02,057 INFO L229 MonitoredProcess]: Starting monitored process 1999 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:02,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1999)] Waiting until timeout for monitored process [2024-11-13 22:05:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,195 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:02,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (1999)] Ended with exit code 0 [2024-11-13 22:05:02,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:02,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:02,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:02,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:02,212 INFO L229 MonitoredProcess]: Starting monitored process 2000 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:02,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2000)] Waiting until timeout for monitored process [2024-11-13 22:05:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:02,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2000)] Ended with exit code 0 [2024-11-13 22:05:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:02,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:02,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:02,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:02,389 INFO L229 MonitoredProcess]: Starting monitored process 2001 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:02,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2001)] Waiting until timeout for monitored process [2024-11-13 22:05:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:02,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2001)] Ended with exit code 0 [2024-11-13 22:05:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:02,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:02,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:02,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:02,570 INFO L229 MonitoredProcess]: Starting monitored process 2002 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:02,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2002)] Waiting until timeout for monitored process [2024-11-13 22:05:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:02,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2002)] Ended with exit code 0 [2024-11-13 22:05:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:02,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:02,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:02,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:02,746 INFO L229 MonitoredProcess]: Starting monitored process 2003 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:02,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2003)] Waiting until timeout for monitored process [2024-11-13 22:05:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:02,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2003)] Ended with exit code 0 [2024-11-13 22:05:02,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:02,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:02,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:02,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:02,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:02,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:02,925 INFO L229 MonitoredProcess]: Starting monitored process 2004 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:02,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2004)] Waiting until timeout for monitored process [2024-11-13 22:05:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:03,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2004)] Ended with exit code 0 [2024-11-13 22:05:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:03,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:03,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:03,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:03,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:03,092 INFO L229 MonitoredProcess]: Starting monitored process 2005 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:03,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2005)] Waiting until timeout for monitored process [2024-11-13 22:05:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:03,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2005)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:03,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:03,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:03,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:03,248 INFO L229 MonitoredProcess]: Starting monitored process 2006 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:03,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2006)] Waiting until timeout for monitored process [2024-11-13 22:05:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:03,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2006)] Ended with exit code 0 [2024-11-13 22:05:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:03,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:03,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:03,400 INFO L229 MonitoredProcess]: Starting monitored process 2007 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:03,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2007)] Waiting until timeout for monitored process [2024-11-13 22:05:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:03,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2007)] Ended with exit code 0 [2024-11-13 22:05:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:03,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:03,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:03,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:03,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:03,564 INFO L229 MonitoredProcess]: Starting monitored process 2008 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:03,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2008)] Waiting until timeout for monitored process [2024-11-13 22:05:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:05:03,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2008)] Ended with exit code 0 [2024-11-13 22:05:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2024-11-13 22:05:03,723 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2024-11-13 22:05:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:05:03,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:03,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:03,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:03,725 INFO L229 MonitoredProcess]: Starting monitored process 2009 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:03,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9e1cf5-a3bb-4809-9907-599e181dd267/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2009)] Waiting until timeout for monitored process [2024-11-13 22:05:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,809 INFO L278 TraceCheckSpWp]: Computing forward predicates...