./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/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_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:38:11,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:38:11,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 16:38:11,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:38:11,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:38:11,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:38:11,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:38:11,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:38:11,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:38:11,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:38:11,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:38:11,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:38:11,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:38:11,757 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:38:11,757 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:38:11,757 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:38:11,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:38:11,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:38:11,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:38:11,758 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:38:11,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:38:11,758 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:38:11,759 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:38:11,759 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:38:11,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:38:11,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:11,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:38:11,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:38:11,760 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:38:11,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:38:11,760 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_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2024-11-13 16:38:12,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:38:12,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:38:12,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:38:12,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:38:12,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:38:12,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i Unable to find full path for "g++" [2024-11-13 16:38:14,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:38:14,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:38:14,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-11-13 16:38:14,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data/740b06cd4/868c7bc912e84500bf7500dbb1c9a5a1/FLAG340d9f6f5 [2024-11-13 16:38:14,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data/740b06cd4/868c7bc912e84500bf7500dbb1c9a5a1 [2024-11-13 16:38:14,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:38:14,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:38:14,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:14,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:38:14,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:38:14,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:14" (1/1) ... [2024-11-13 16:38:14,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347afd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:14, skipping insertion in model container [2024-11-13 16:38:14,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:14" (1/1) ... [2024-11-13 16:38:14,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:38:16,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:16,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:38:17,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:17,252 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:38:17,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17 WrapperNode [2024-11-13 16:38:17,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:17,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:17,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:38:17,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:38:17,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,605 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 202, calls inlined = 324, statements flattened = 4742 [2024-11-13 16:38:17,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:17,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:38:17,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:38:17,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:38:17,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:38:17,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:38:17,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:38:17,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:38:17,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:17,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:38:17,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:38:17,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:38:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:38:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:38:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:38:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:38:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:38:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:38:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:38:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:38:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:38:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 16:38:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:38:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:38:18,465 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:38:18,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:38:26,187 INFO L? ?]: Removed 1960 outVars from TransFormulas that were not future-live. [2024-11-13 16:38:26,187 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:38:27,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:38:27,754 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 16:38:27,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:27 BoogieIcfgContainer [2024-11-13 16:38:27,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:38:27,756 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:38:27,756 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:38:27,769 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:38:27,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:27" (1/1) ... [2024-11-13 16:38:27,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:38:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 700 states and 812 transitions. [2024-11-13 16:38:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 812 transitions. [2024-11-13 16:38:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:38:27,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:27,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:32,412 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 16:38:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-13 16:38:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-13 16:38:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:38:32,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:37,098 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 16:38:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:37,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 698 states and 810 transitions. [2024-11-13 16:38:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 810 transitions. [2024-11-13 16:38:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:38:37,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:40,913 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 16:38:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-13 16:38:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-13 16:38:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:38:40,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:40,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:45,368 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 16:38:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 696 states and 808 transitions. [2024-11-13 16:38:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 808 transitions. [2024-11-13 16:38:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:38:45,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:45,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:48,353 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 16:38:49,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 695 states and 807 transitions. [2024-11-13 16:38:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 807 transitions. [2024-11-13 16:38:49,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:38:49,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:49,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:53,085 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 16:38:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-13 16:38:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-13 16:38:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:38:54,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:54,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 699 states and 815 transitions. [2024-11-13 16:38:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 815 transitions. [2024-11-13 16:38:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:38:58,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:01,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 700 states and 816 transitions. [2024-11-13 16:39:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 816 transitions. [2024-11-13 16:39:01,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:39:01,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-13 16:39:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-13 16:39:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:39:05,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:05,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:39:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 699 states and 814 transitions. [2024-11-13 16:39:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 814 transitions. [2024-11-13 16:39:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:39:11,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 701 states and 816 transitions. [2024-11-13 16:39:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 816 transitions. [2024-11-13 16:39:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:39:14,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:39:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 703 states and 818 transitions. [2024-11-13 16:39:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 818 transitions. [2024-11-13 16:39:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:39:17,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:17,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 16:39:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 705 states and 820 transitions. [2024-11-13 16:39:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 820 transitions. [2024-11-13 16:39:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:39:23,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:23,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 16:39:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 704 states and 819 transitions. [2024-11-13 16:39:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 819 transitions. [2024-11-13 16:39:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:39:25,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:25,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 16:39:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 705 states and 822 transitions. [2024-11-13 16:39:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 822 transitions. [2024-11-13 16:39:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:39:28,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:28,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 16:39:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 704 states and 821 transitions. [2024-11-13 16:39:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 821 transitions. [2024-11-13 16:39:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:39:31,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:31,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 16:39:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 705 states and 822 transitions. [2024-11-13 16:39:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 822 transitions. [2024-11-13 16:39:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:39:33,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 16:39:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-13 16:39:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-13 16:39:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:39:36,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:39,178 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 701 states and 812 transitions. [2024-11-13 16:39:40,417 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 812 transitions. [2024-11-13 16:39:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:39:40,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:40,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 703 states and 814 transitions. [2024-11-13 16:39:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 814 transitions. [2024-11-13 16:39:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:39:44,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:44,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:48,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 705 states and 816 transitions. [2024-11-13 16:39:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 816 transitions. [2024-11-13 16:39:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:39:48,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:48,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 707 states and 818 transitions. [2024-11-13 16:39:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 818 transitions. [2024-11-13 16:39:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:39:52,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:52,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 709 states and 820 transitions. [2024-11-13 16:39:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 820 transitions. [2024-11-13 16:39:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:39:56,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:56,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:40:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 711 states and 821 transitions. [2024-11-13 16:40:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 821 transitions. [2024-11-13 16:40:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:40:00,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:00,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:02,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:08,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:15,287 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-13 16:40:15,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:15 ImpRootNode [2024-11-13 16:40:15,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:15,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:15,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:15,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:15,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:27" (3/4) ... [2024-11-13 16:40:15,479 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:15,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:15,484 INFO L158 Benchmark]: Toolchain (without parser) took 120653.17ms. Allocated memory was 117.4MB in the beginning and 956.3MB in the end (delta: 838.9MB). Free memory was 88.2MB in the beginning and 646.3MB in the end (delta: -558.1MB). Peak memory consumption was 284.0MB. Max. memory is 16.1GB. [2024-11-13 16:40:15,485 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:15,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2421.77ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 64.5MB in the end (delta: 23.3MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2024-11-13 16:40:15,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 351.58ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 31.3MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:40:15,488 INFO L158 Benchmark]: Boogie Preprocessor took 291.94ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 31.3MB in the beginning and 155.1MB in the end (delta: -123.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-13 16:40:15,490 INFO L158 Benchmark]: RCFGBuilder took 9856.44ms. Allocated memory was 234.9MB in the beginning and 385.9MB in the end (delta: 151.0MB). Free memory was 155.1MB in the beginning and 255.1MB in the end (delta: -100.0MB). Peak memory consumption was 236.9MB. Max. memory is 16.1GB. [2024-11-13 16:40:15,491 INFO L158 Benchmark]: CodeCheck took 107716.08ms. Allocated memory was 385.9MB in the beginning and 956.3MB in the end (delta: 570.4MB). Free memory was 255.1MB in the beginning and 646.3MB in the end (delta: -391.3MB). Peak memory consumption was 179.0MB. Max. memory is 16.1GB. [2024-11-13 16:40:15,491 INFO L158 Benchmark]: Witness Printer took 8.98ms. Allocated memory is still 956.3MB. Free memory was 646.3MB in the beginning and 646.3MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:15,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 700 locations, 326 error locations. Started 1 CEGAR loops. OverallTime: 107.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1185 SdHoareTripleChecker+Valid, 67.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 921 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 65.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 1124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4527 IncrementalHoareTripleChecker+Invalid, 5651 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1124 mSolverCounterUnsat, 150 mSDtfsCounter, 4527 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2394 GetRequests, 2079 SyntacticMatches, 97 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22148 ImplicationChecksByTransitivity, 18.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 1124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 11 PerfectInterpolantSequences, 111/405 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: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of large string literal at line 1778, overapproximation of large string literal at line 1474, overapproximation of memtrack at line 3. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2724] int err; [L2726] current_execution_context = 1 [L2728] CALL init_kernel() [L2664] int i; [L2666] CALL spin_lock_init(&kernel_lock) [L4153] lock->init = 1 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4154] lock->locked = 0 [L2666] RET spin_lock_init(&kernel_lock) [L2668] i = 0 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) [L2668] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND FALSE !(i < 10) [L2672] i = 0 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND TRUE i < 1 VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] tasklet_registered[i].tasklet = ((void *)0) VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2674] tasklet_registered[i].is_running = 0 [L2672] i++ VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND FALSE !(i < 1) [L2728] RET init_kernel() [L2730] CALL (* _ddv_module_init)() [L1776] int ret; [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") [L4480] return 0; [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") [L1780] CALL zf_readw(0x02) [L1469] CALL outb(port, 0x218) [L3958] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") [L12] COND TRUE !expression [L12] CALL reach_error() [L3] __assert_fail("0", "ddv_machzwd_outb.i", 3, "reach_error") VAL [_ddv_module_exit={-1:8}, _ddv_module_init={-1:7}, _ddv_tmp_exit={-1:8}, _ddv_tmp_init={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2421.77ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 64.5MB in the end (delta: 23.3MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 351.58ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 31.3MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 291.94ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 31.3MB in the beginning and 155.1MB in the end (delta: -123.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * RCFGBuilder took 9856.44ms. Allocated memory was 234.9MB in the beginning and 385.9MB in the end (delta: 151.0MB). Free memory was 155.1MB in the beginning and 255.1MB in the end (delta: -100.0MB). Peak memory consumption was 236.9MB. Max. memory is 16.1GB. * CodeCheck took 107716.08ms. Allocated memory was 385.9MB in the beginning and 956.3MB in the end (delta: 570.4MB). Free memory was 255.1MB in the beginning and 646.3MB in the end (delta: -391.3MB). Peak memory consumption was 179.0MB. Max. memory is 16.1GB. * Witness Printer took 8.98ms. Allocated memory is still 956.3MB. Free memory was 646.3MB in the beginning and 646.3MB in the end (delta: 36.4kB). 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 16:40:15,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/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_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:18,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:18,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 16:40:18,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:18,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:18,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:18,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:18,884 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:40:18,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:40:18,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:40:18,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:18,885 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:40:18,886 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:40:18,886 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:40:18,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:18,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:40:18,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:40:18,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:18,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:40:18,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:18,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:40:18,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:18,889 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:18,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:18,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:18,889 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:18,889 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:40:18,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:18,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:18,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:18,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:18,890 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:40:18,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:18,890 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:40:18,890 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_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2024-11-13 16:40:19,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:19,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:19,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:19,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:19,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:19,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i Unable to find full path for "g++" [2024-11-13 16:40:21,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:21,936 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:21,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-11-13 16:40:21,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data/d3ba454d9/02e38f316c95441aa2d449916b2374f5/FLAG0e18b5a31 [2024-11-13 16:40:22,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/data/d3ba454d9/02e38f316c95441aa2d449916b2374f5 [2024-11-13 16:40:22,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:22,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:22,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:22,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:22,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:22,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:22" (1/1) ... [2024-11-13 16:40:22,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409c2f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:22, skipping insertion in model container [2024-11-13 16:40:22,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:22" (1/1) ... [2024-11-13 16:40:22,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:23,860 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:40:23,926 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:40:23,961 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:40:24,061 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:40:24,098 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:40:24,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:24,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:24,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:24,956 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:24,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24 WrapperNode [2024-11-13 16:40:24,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:24,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:24,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:24,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:24,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,382 INFO L138 Inliner]: procedures = 481, calls = 2681, calls flagged for inlining = 202, calls inlined = 324, statements flattened = 4529 [2024-11-13 16:40:25,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:25,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:25,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:25,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:25,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:25,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:25,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:25,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:25,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:24" (1/1) ... [2024-11-13 16:40:25,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:25,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:25,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:25,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:40:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-13 16:40:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:40:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 16:40:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-13 16:40:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:40:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:40:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-13 16:40:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 16:40:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-13 16:40:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:40:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:40:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-13 16:40:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 16:40:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-13 16:40:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 16:40:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 16:40:26,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:26,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:39,214 INFO L? ?]: Removed 1913 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:39,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:40,548 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:40,551 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 16:40:40,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:40 BoogieIcfgContainer [2024-11-13 16:40:40,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:40,553 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:40,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:40,569 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:40,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:40" (1/1) ... [2024-11-13 16:40:40,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 700 states and 812 transitions. [2024-11-13 16:40:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 812 transitions. [2024-11-13 16:40:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:40:40,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:40,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:40,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:40,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:40,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:40:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:50,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:57,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 2730 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:40:57,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:57,364 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 16:40:57,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:41:04,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-13 16:41:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-13 16:41:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:41:05,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:05,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:05,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:05,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:41:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:24,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:31,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 2730 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:41:31,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:41:31,754 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 16:41:31,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:41:39,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:46,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:46,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 698 states and 810 transitions. [2024-11-13 16:41:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 810 transitions. [2024-11-13 16:41:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:41:46,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:46,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:46,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:46,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:46,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:41:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:51,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:41:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:41:58,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 2743 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:41:58,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:41:58,556 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 16:41:58,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:41:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-13 16:41:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-13 16:41:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:41:58,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:58,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:58,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:58,928 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:58,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:42:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:16,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:23,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 2743 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:42:23,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:23,630 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 16:42:23,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:42:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 696 states and 808 transitions. [2024-11-13 16:42:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 808 transitions. [2024-11-13 16:42:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:42:24,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:24,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:24,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:24,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:42:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:36,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:43,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 2758 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:42:43,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:44,439 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 16:42:44,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 16:42:52,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:59,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:00,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 695 states and 807 transitions. [2024-11-13 16:43:00,385 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 807 transitions. [2024-11-13 16:43:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:43:00,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:00,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:00,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:00,389 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:00,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:43:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:21,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:28,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 2758 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:43:28,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:30,468 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 16:43:30,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 16:43:39,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:45,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-11-13 16:43:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-11-13 16:43:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:43:49,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:49,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:49,952 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:49,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:44:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:08,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:14,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 2773 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:44:14,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:44:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:15,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:44:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-11-13 16:44:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-11-13 16:44:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:44:19,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:19,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:19,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:44:19,881 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:44:19,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:44:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:36,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:43,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 2788 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:44:43,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:44:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:44,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 16:44:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 701 states and 813 transitions. [2024-11-13 16:44:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 813 transitions. [2024-11-13 16:44:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:44:48,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:48,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:48,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:44:48,938 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:44:48,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:45:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:04,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:12,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 2803 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:45:12,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:13,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 16:45:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 703 states and 815 transitions. [2024-11-13 16:45:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 815 transitions. [2024-11-13 16:45:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:45:18,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:18,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:18,477 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:18,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 16:45:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:35,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:43,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:45:43,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:45,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 16:45:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 705 states and 817 transitions. [2024-11-13 16:45:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 817 transitions. [2024-11-13 16:45:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:45:50,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:50,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:50,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:50,831 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:50,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 16:46:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:08,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:18,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 2833 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:46:18,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:20,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 16:46:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 707 states and 819 transitions. [2024-11-13 16:46:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 819 transitions. [2024-11-13 16:46:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:46:26,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:26,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:26,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:26,777 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:26,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 16:46:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:45,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:53,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 16:46:53,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:56,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 16:47:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 709 states and 821 transitions. [2024-11-13 16:47:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 821 transitions. [2024-11-13 16:47:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:03,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:03,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:03,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:03,296 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:03,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 16:47:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:22,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:31,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 16:47:31,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:34,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 16:47:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 711 states and 823 transitions. [2024-11-13 16:47:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 823 transitions. [2024-11-13 16:47:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:47:42,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:42,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:42,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:42,222 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:42,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 16:48:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:01,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:10,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 2878 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:48:10,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:13,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 16:48:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 713 states and 825 transitions. [2024-11-13 16:48:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 825 transitions. [2024-11-13 16:48:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:48:21,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:21,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:21,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:21,207 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:21,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 16:48:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:40,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:49,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 2893 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:48:49,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:52,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 16:49:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 715 states and 827 transitions. [2024-11-13 16:49:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 827 transitions. [2024-11-13 16:49:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:49:01,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:01,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:01,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:01,284 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:01,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 16:49:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:12,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:22,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 2908 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 16:49:22,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:49:26,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 16:49:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 713 states and 824 transitions. [2024-11-13 16:49:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 824 transitions. [2024-11-13 16:49:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:49:33,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:33,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:33,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:33,164 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:33,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 16:49:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:44,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:50,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 2910 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:49:50,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 16:49:53,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 16:50:03,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:10,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:50:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 715 states and 829 transitions. [2024-11-13 16:50:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 829 transitions. [2024-11-13 16:50:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:50:55,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:55,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:55,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:55,979 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:55,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 16:51:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:15,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:51:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:20,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 2910 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:51:20,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 16:51:25,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8614f0-b4a5-4c9b-92db-ac0610558ae3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 16:51:35,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:51:41,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []