./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/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_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:00:31,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:00:31,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:00:31,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:00:31,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:00:31,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:00:31,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:00:31,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:00:31,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:00:31,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:00:31,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:00:31,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:00:31,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:00:31,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:00:31,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:00:31,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:00:31,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:00:31,786 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:00:31,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:00:31,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:00:31,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:00:31,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:31,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:00:31,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:00:31,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:00:31,792 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:00:31,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:00:31,792 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_c8707e2f-6983-4d9f-a99b-51e4ec701d77/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 ! overflow) ) 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 -> d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe [2024-11-13 22:00:32,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:00:32,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:00:32,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:00:32,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:00:32,134 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:00:32,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c Unable to find full path for "g++" [2024-11-13 22:00:34,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:00:34,309 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:00:34,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2024-11-13 22:00:34,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data/1d5e2cc6c/2761120c69564d3a981e0563a24a9eca/FLAG82ef7b683 [2024-11-13 22:00:34,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data/1d5e2cc6c/2761120c69564d3a981e0563a24a9eca [2024-11-13 22:00:34,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:00:34,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:00:34,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:34,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:00:34,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:00:34,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676aa4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34, skipping insertion in model container [2024-11-13 22:00:34,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:00:34,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:34,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:00:34,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:34,679 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:00:34,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34 WrapperNode [2024-11-13 22:00:34,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:34,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:34,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:00:34,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:00:34,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,732 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-13 22:00:34,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:34,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:00:34,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:00:34,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:00:34,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:00:34,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:00:34,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:00:34,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:00:34,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:34" (1/1) ... [2024-11-13 22:00:34,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:34,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:00:34,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:00:34,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:00:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:00:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:00:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:00:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:00:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:00:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:00:34,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:00:34,937 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:00:35,500 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-13 22:00:35,501 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:00:35,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:00:35,552 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:00:35,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:35 BoogieIcfgContainer [2024-11-13 22:00:35,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:00:35,554 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:00:35,554 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:00:35,565 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:00:35,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:35" (1/1) ... [2024-11-13 22:00:35,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:00:35,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-13 22:00:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-13 22:00:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:00:35,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-13 22:00:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-13 22:00:35,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:00:35,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-13 22:00:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-13 22:00:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:00:36,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:36,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:36,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-13 22:00:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-13 22:00:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:00:36,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:36,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:36,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:00:36,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:36,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2024-11-13 22:00:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2024-11-13 22:00:36,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:00:36,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:00:36,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:00:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:00:36,233 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 22:00:36,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:00:36 ImpRootNode [2024-11-13 22:00:36,266 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:00:36,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:00:36,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:00:36,267 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:00:36,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:35" (3/4) ... [2024-11-13 22:00:36,270 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:00:36,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:00:36,275 INFO L158 Benchmark]: Toolchain (without parser) took 1898.07ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 87.6MB in the end (delta: 7.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-13 22:00:36,276 INFO L158 Benchmark]: CDTParser took 1.63ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.37ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 83.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:00:36,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.43ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,277 INFO L158 Benchmark]: Boogie Preprocessor took 38.77ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,277 INFO L158 Benchmark]: RCFGBuilder took 780.86ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 56.8MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:00:36,278 INFO L158 Benchmark]: CodeCheck took 712.17ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 87.6MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,281 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 133 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 10 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=2) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=2) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L33] COND TRUE 1 VAL [r=1] [L34] EXPR 12*r VAL [r=1] [L34] EXPR 12*r*r VAL [r=1] [L34] (int)(4*s) - 12*r*r * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.37ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 83.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.43ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.77ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 780.86ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 56.8MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 712.17ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 87.6MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:00:36,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/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_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:00:39,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:00:39,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 22:00:39,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:00:39,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:00:39,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:00:39,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:00:39,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:00:39,206 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:00:39,207 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:00:39,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:00:39,208 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:00:39,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:00:39,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:00:39,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:00:39,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:00:39,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:00:39,208 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:00:39,209 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:00:39,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:00:39,209 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:39,209 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:00:39,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:00:39,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:39,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:00:39,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:00:39,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:00:39,210 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:00:39,210 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:00:39,210 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:00:39,210 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_c8707e2f-6983-4d9f-a99b-51e4ec701d77/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 ! overflow) ) 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 -> d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe [2024-11-13 22:00:39,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:00:39,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:00:39,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:00:39,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:00:39,676 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:00:39,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c Unable to find full path for "g++" [2024-11-13 22:00:41,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:00:42,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:00:42,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2024-11-13 22:00:42,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data/032112058/2437fb16452440889ecc80c65853ef63/FLAG632d12e3e [2024-11-13 22:00:42,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/data/032112058/2437fb16452440889ecc80c65853ef63 [2024-11-13 22:00:42,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:00:42,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:00:42,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:42,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:00:42,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:00:42,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a09fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42, skipping insertion in model container [2024-11-13 22:00:42,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:00:42,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:42,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:00:42,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:42,462 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:00:42,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42 WrapperNode [2024-11-13 22:00:42,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:42,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:42,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:00:42,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:00:42,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,508 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-13 22:00:42,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:42,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:00:42,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:00:42,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:00:42,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:00:42,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:00:42,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:00:42,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:00:42,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:42" (1/1) ... [2024-11-13 22:00:42,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:42,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:00:42,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:00:42,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:00:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:00:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:00:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:00:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:00:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:00:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:00:42,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:00:42,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:01:29,273 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-13 22:01:29,274 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:01:29,362 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:01:29,364 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:01:29,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:29 BoogieIcfgContainer [2024-11-13 22:01:29,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:01:29,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:01:29,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:01:29,376 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:01:29,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:01:29" (1/1) ... [2024-11-13 22:01:29,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:01:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-13 22:01:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-13 22:01:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:01:29,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:29,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:29,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:29,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:29,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:01:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:29,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:29,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:01:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-13 22:01:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-13 22:01:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:01:29,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:29,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:29,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:29,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:29,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:01:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:29,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:29,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:30,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:01:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-13 22:01:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-13 22:01:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:01:30,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:30,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:30,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:30,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:30,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:01:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:30,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:30,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:30,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:30,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:01:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2024-11-13 22:01:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2024-11-13 22:01:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:01:30,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:30,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:30,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:30,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:30,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:01:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:30,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:30,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:30,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:30,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:01:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2024-11-13 22:01:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2024-11-13 22:01:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:01:30,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:30,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:30,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:30,993 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:30,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:01:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:31,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:31,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:01:31,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:31,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:01:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2024-11-13 22:01:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2024-11-13 22:01:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:01:33,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:33,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:33,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:33,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:33,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:01:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:34,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:34,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:34,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:34,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:01:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2024-11-13 22:01:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2024-11-13 22:01:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:01:36,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:36,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:36,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:36,384 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:36,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:01:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:36,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:36,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:36,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:36,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:01:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-11-13 22:01:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-11-13 22:01:38,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:01:38,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:38,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:38,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:38,565 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:01:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:38,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:38,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:38,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:39,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:01:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-11-13 22:01:39,121 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-11-13 22:01:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:01:39,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:39,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:39,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:39,125 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:39,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:01:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:39,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:39,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:39,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:39,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:39,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-11-13 22:01:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-11-13 22:01:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:01:39,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:39,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:39,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:39,883 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:39,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:01:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:40,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:40,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:40,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:40,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:01:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-11-13 22:01:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-11-13 22:01:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:01:40,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:40,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:40,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:40,621 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:40,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:01:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:40,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:41,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:41,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:41,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:01:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 151 states and 160 transitions. [2024-11-13 22:01:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2024-11-13 22:01:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:01:41,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:41,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:41,614 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:41,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:01:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:42,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:42,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:42,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:42,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:01:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 152 states and 161 transitions. [2024-11-13 22:01:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2024-11-13 22:01:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:01:42,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:42,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:42,722 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:42,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:01:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:43,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:43,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:43,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:43,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 22:01:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 153 states and 162 transitions. [2024-11-13 22:01:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2024-11-13 22:01:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:01:43,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:43,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:43,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:43,490 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:43,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:01:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:43,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:44,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:44,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:44,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:01:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-11-13 22:01:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-11-13 22:01:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:01:44,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:44,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:44,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:44,371 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:44,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:01:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:44,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:44,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:44,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:45,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:01:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:45,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-11-13 22:01:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-11-13 22:01:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:01:45,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:45,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:45,344 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:45,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:01:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:45,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:45,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:45,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:46,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:46,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:01:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-11-13 22:01:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-11-13 22:01:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:01:46,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:46,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:46,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:46,243 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:46,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:01:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:46,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:46,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:46,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:46,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 22:01:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 158 states and 168 transitions. [2024-11-13 22:01:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2024-11-13 22:01:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:01:47,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:47,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:47,151 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:47,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:01:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:47,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:47,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:47,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:48,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:01:48,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 159 states and 169 transitions. [2024-11-13 22:01:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-11-13 22:01:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:01:48,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:48,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:48,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:48,187 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:48,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:01:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:48,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:48,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:48,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:48,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:01:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 160 states and 170 transitions. [2024-11-13 22:01:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-13 22:01:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:01:48,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:48,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:48,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:48,983 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:48,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:01:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:49,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:49,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:49,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:49,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 22:01:49,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-11-13 22:01:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-11-13 22:01:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:01:49,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:49,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:49,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:49,963 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:49,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:01:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:50,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:50,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:50,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:50,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:01:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 163 states and 174 transitions. [2024-11-13 22:01:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 174 transitions. [2024-11-13 22:01:50,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:01:50,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:50,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:50,849 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:50,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:01:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:51,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:51,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:51,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:51,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:01:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:51,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 164 states and 175 transitions. [2024-11-13 22:01:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2024-11-13 22:01:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:01:51,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:51,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:51,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:51,800 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:51,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:01:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:52,597 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:01:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:52,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:01:52,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:01:53,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:01:56,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:01:57,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:01:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 165 states and 176 transitions. [2024-11-13 22:01:57,743 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 176 transitions. [2024-11-13 22:01:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:01:57,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:01:57,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:01:57,748 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:01:57,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:01:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:59,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:05,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:02:05,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:08,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 22:02:11,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:17,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:27,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:37,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:44,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:55,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:05,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:10,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:20,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:30,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:34,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:44,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:54,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:58,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:01,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:03,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:04,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:12,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.52s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:19,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:21,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 193 states and 220 transitions. [2024-11-13 22:04:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 220 transitions. [2024-11-13 22:04:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:04:21,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:21,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:21,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:21,464 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:21,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 22:04:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:22,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:04:22,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:04:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 22:04:28,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:34,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:41,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.35s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:04:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 195 states and 226 transitions. [2024-11-13 22:04:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 226 transitions. [2024-11-13 22:04:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:04:42,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:04:42,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:04:42,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:04:42,012 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:04:42,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 22:04:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:04:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:04:42,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:04:42,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:04:43,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 22:04:49,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:52,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:04:55,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:00,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:01,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 198 states and 233 transitions. [2024-11-13 22:05:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 233 transitions. [2024-11-13 22:05:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:05:01,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:01,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:01,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:01,294 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:01,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 22:05:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:01,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:02,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:05:02,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:05:02,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 22:05:05,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:10,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:15,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:20,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:21,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:22,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 202 states and 241 transitions. [2024-11-13 22:05:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 241 transitions. [2024-11-13 22:05:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:05:22,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:22,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:22,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:22,124 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:22,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 22:05:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:22,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:23,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:05:23,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:05:23,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 22:05:23,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:23,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 203 states and 242 transitions. [2024-11-13 22:05:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 242 transitions. [2024-11-13 22:05:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:05:23,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:23,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:23,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:23,735 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:23,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 22:05:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:24,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:05:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:24,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:05:24,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:25,693 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 22:05:25,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 22:05:36,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:46,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:05:56,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:06,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:16,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:26,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:36,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:46,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:06:56,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:06,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:16,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:26,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 206 states and 249 transitions. [2024-11-13 22:07:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2024-11-13 22:07:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:07:26,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:26,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:07:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:07:26,986 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:07:26,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 22:07:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:27,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:07:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:27,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:07:27,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:07:28,845 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 22:07:28,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 22:07:39,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:49,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:07:59,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:08:09,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:08:20,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:08:30,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:08:40,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:08:50,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:00,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:10,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:20,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:30,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 209 states and 256 transitions. [2024-11-13 22:09:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 256 transitions. [2024-11-13 22:09:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:09:30,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:30,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:30,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:30,772 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:30,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 22:09:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:31,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:09:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:31,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:09:31,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:32,653 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 22:09:32,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 22:09:44,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:54,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:04,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:14,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:24,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:34,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:44,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:10:54,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:04,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:14,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:24,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:34,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:36,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:11:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 208 states and 255 transitions. [2024-11-13 22:11:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 255 transitions. [2024-11-13 22:11:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:36,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:36,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:11:36,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:11:36,949 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:11:36,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 22:11:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:37,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:11:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:37,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:11:37,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:38,892 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 22:11:38,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 22:11:50,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:00,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:10,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:20,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:30,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:40,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:12:50,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:00,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:11,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:21,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:31,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:41,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:13:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 207 states and 254 transitions. [2024-11-13 22:13:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2024-11-13 22:13:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:13:41,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:41,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:41,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:41,704 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:41,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 22:13:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:42,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:42,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:13:42,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:42,760 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 22:13:42,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 22:13:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 206 states and 253 transitions. [2024-11-13 22:13:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2024-11-13 22:13:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:13:42,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:42,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:42,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:42,779 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:42,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 22:13:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:43,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:43,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:13:43,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:27,129 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 22:14:27,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8707e2f-6983-4d9f-a99b-51e4ec701d77/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 22:15:13,976 WARN L286 SmtUtils]: Spent 10.53s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:15:23,984 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|)))))))) is different from false [2024-11-13 22:15:56,039 WARN L286 SmtUtils]: Spent 10.44s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)