./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-2.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_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/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_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/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_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/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 14e3e63e231fa0c862b0912d52fb4325a0198eb4d9a43387e9996f85700980cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:00,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:00,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:57:00,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:57:00,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:57:00,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:00,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:00,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:00,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:00,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:57:00,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:57:00,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:57:00,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:57:00,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:00,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:00,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:00,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:00,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:00,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:00,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:00,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:00,211 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:57:00,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:57:00,212 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_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/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 -> 14e3e63e231fa0c862b0912d52fb4325a0198eb4d9a43387e9996f85700980cb [2024-11-13 22:57:00,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:00,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:00,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:00,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:00,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:00,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-2.i Unable to find full path for "g++" [2024-11-13 22:57:02,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:02,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:02,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/sv-benchmarks/c/ldv-memsafety/memleaks_test22_3-2.i [2024-11-13 22:57:02,988 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/data/def9f251b/ac6857eda2fd4dfe96b9dd6edae663e4/FLAG1c664a3c0 [2024-11-13 22:57:03,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/data/def9f251b/ac6857eda2fd4dfe96b9dd6edae663e4 [2024-11-13 22:57:03,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:03,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:03,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:03,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:03,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:03,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13596e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03, skipping insertion in model container [2024-11-13 22:57:03,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:03,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:03,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:03,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:03,758 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:03,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03 WrapperNode [2024-11-13 22:57:03,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:03,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:03,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:03,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:03,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,844 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 31, calls inlined = 24, statements flattened = 180 [2024-11-13 22:57:03,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:03,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:03,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:03,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:03,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:03,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:03,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:03,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:03,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:03" (1/1) ... [2024-11-13 22:57:03,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:03,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:03,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:03,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:57:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:57:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:57:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 22:57:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 22:57:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:57:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 22:57:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:04,210 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:04,212 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:04,716 INFO L? ?]: Removed 189 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:04,717 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:04,830 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:04,830 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:57:04,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:04 BoogieIcfgContainer [2024-11-13 22:57:04,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:04,832 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:04,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:04,843 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:04,843 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:04" (1/1) ... [2024-11-13 22:57:04,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2024-11-13 22:57:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2024-11-13 22:57:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:57:04,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:04,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2024-11-13 22:57:05,398 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2024-11-13 22:57:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:57:05,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:05,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2024-11-13 22:57:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2024-11-13 22:57:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:57:06,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2024-11-13 22:57:06,411 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2024-11-13 22:57:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:57:06,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:06,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2024-11-13 22:57:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-11-13 22:57:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:57:06,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2024-11-13 22:57:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2024-11-13 22:57:08,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:57:08,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:08,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 85 states and 96 transitions. [2024-11-13 22:57:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2024-11-13 22:57:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:57:09,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 84 states and 95 transitions. [2024-11-13 22:57:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2024-11-13 22:57:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:57:11,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:11,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2024-11-13 22:57:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2024-11-13 22:57:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:57:12,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:12,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:14,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2024-11-13 22:57:14,413 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2024-11-13 22:57:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:57:14,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:14,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2024-11-13 22:57:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-13 22:57:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:57:16,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2024-11-13 22:57:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2024-11-13 22:57:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:57:16,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:16,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2024-11-13 22:57:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2024-11-13 22:57:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:57:17,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:17,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2024-11-13 22:57:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-13 22:57:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:57:18,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:18,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2024-11-13 22:57:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2024-11-13 22:57:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:57:21,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:21,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2024-11-13 22:57:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2024-11-13 22:57:24,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:57:24,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:24,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2024-11-13 22:57:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-11-13 22:57:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:57:32,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:32,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2024-11-13 22:57:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2024-11-13 22:57:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:57:32,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:32,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:32,630 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 22:57:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2024-11-13 22:57:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2024-11-13 22:57:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:57:33,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:33,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 74 states and 81 transitions. [2024-11-13 22:57:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2024-11-13 22:57:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:57:36,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:36,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2024-11-13 22:57:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2024-11-13 22:57:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:57:38,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:38,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2024-11-13 22:57:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2024-11-13 22:57:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:57:43,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:43,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2024-11-13 22:57:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2024-11-13 22:57:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:57:57,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:57,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2024-11-13 22:58:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2024-11-13 22:58:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:58:14,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:14,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 74 states and 84 transitions. [2024-11-13 22:58:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2024-11-13 22:58:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:58:21,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:21,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2024-11-13 22:58:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2024-11-13 22:58:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:58:28,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:28,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2024-11-13 22:58:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2024-11-13 22:58:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:58:31,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:31,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:35,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2024-11-13 22:58:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2024-11-13 22:58:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:58:35,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:35,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2024-11-13 22:58:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2024-11-13 22:58:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:58:35,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:35,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 76 states and 89 transitions. [2024-11-13 22:58:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2024-11-13 22:58:35,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:58:35,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:39,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2024-11-13 22:58:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2024-11-13 22:58:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:58:39,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:39,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:40,346 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 22:58:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2024-11-13 22:58:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2024-11-13 22:58:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:58:43,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:43,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:46,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2024-11-13 22:58:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2024-11-13 22:58:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:58:46,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:47,567 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 22:58:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2024-11-13 22:58:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-11-13 22:58:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:58:50,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:50,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2024-11-13 22:58:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2024-11-13 22:58:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:58:53,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:53,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2024-11-13 22:58:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2024-11-13 22:58:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:58:56,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:56,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:58:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2024-11-13 22:58:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2024-11-13 22:58:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:58:59,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:59,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 84 states and 97 transitions. [2024-11-13 22:59:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2024-11-13 22:59:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:59:04,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:04,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2024-11-13 22:59:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2024-11-13 22:59:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:59:08,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:08,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2024-11-13 22:59:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2024-11-13 22:59:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:59:11,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:11,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 87 states and 100 transitions. [2024-11-13 22:59:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2024-11-13 22:59:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:59:15,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:15,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 88 states and 101 transitions. [2024-11-13 22:59:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2024-11-13 22:59:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:59:21,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 89 states and 102 transitions. [2024-11-13 22:59:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2024-11-13 22:59:25,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:59:25,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2024-11-13 22:59:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2024-11-13 22:59:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:59:29,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2024-11-13 22:59:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2024-11-13 22:59:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:59:33,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:33,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2024-11-13 22:59:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-11-13 22:59:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:59:47,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:47,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 15 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:01:18,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2024-11-13 23:01:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2024-11-13 23:01:18,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:01:18,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:18,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 23:01:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 94 states and 110 transitions. [2024-11-13 23:01:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2024-11-13 23:01:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:01:23,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:23,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 23:01:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2024-11-13 23:01:27,138 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2024-11-13 23:01:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:01:27,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 91 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 91 states and 107 transitions. [2024-11-13 23:03:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 107 transitions. [2024-11-13 23:03:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:03:15,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:15,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 23:03:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 99 states and 118 transitions. [2024-11-13 23:03:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2024-11-13 23:03:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:03:27,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:27,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:04:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:04:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 105 states and 126 transitions. [2024-11-13 23:04:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 126 transitions. [2024-11-13 23:04:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:04:45,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:04:45,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:04:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:04:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 23:05:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 114 states and 138 transitions. [2024-11-13 23:05:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2024-11-13 23:05:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:05:05,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:05,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:05:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-13 23:05:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:05:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 113 states and 137 transitions. [2024-11-13 23:05:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 137 transitions. [2024-11-13 23:05:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:05:05,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:05:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:05:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:05,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:12,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:05:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:05:19,533 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 54 iterations. [2024-11-13 23:05:19,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:05:19 ImpRootNode [2024-11-13 23:05:19,589 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:05:19,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:05:19,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:05:19,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:05:19,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:04" (3/4) ... [2024-11-13 23:05:19,592 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:05:19,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:05:19,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:05:19,656 INFO L158 Benchmark]: Toolchain (without parser) took 496634.17ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 92.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 590.1MB. Max. memory is 16.1GB. [2024-11-13 23:05:19,657 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:19,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.10ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 70.6MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:05:19,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.28ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 67.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:19,658 INFO L158 Benchmark]: Boogie Preprocessor took 66.12ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 66.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:05:19,658 INFO L158 Benchmark]: RCFGBuilder took 915.01ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 85.6MB in the end (delta: -19.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 23:05:19,658 INFO L158 Benchmark]: CodeCheck took 494757.72ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 85.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 575.9MB. Max. memory is 16.1GB. [2024-11-13 23:05:19,659 INFO L158 Benchmark]: Witness Printer took 65.33ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:05:19,662 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, 78 locations, 33 error locations. Started 1 CEGAR loops. OverallTime: 494.7s, OverallIterations: 54, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7198 SdHoareTripleChecker+Valid, 69.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5536 mSDsluCounter, 2616 SdHoareTripleChecker+Invalid, 62.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1828 mSDsCounter, 8487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33235 IncrementalHoareTripleChecker+Invalid, 41722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8487 mSolverCounterUnsat, 788 mSDtfsCounter, 33235 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10068 GetRequests, 8537 SyntacticMatches, 299 SemanticMatches, 1232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760215 ImplicationChecksByTransitivity, 456.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 97.7s InterpolantComputationTime, 1260 NumberOfCodeBlocks, 1260 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 6303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 35 PerfectInterpolantSequences, 792/1768 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L764] CALL entry_point() [L758] struct ldv_kobject *kobj; [L759] CALL, EXPR ldv_kobject_create() [L740] struct ldv_kobject *kobj; [L741] CALL, EXPR ldv_malloc(sizeof(*kobj)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L741] RET, EXPR ldv_malloc(sizeof(*kobj)) [L741] kobj = ldv_malloc(sizeof(*kobj)) [L742] COND FALSE !(!kobj) [L744] FCALL memset(kobj, 0, sizeof(*kobj)) [L745] CALL ldv_kobject_init(kobj) [L730] COND FALSE !(!kobj) [L733] CALL ldv_kobject_init_internal(kobj) [L723] COND FALSE !(!kobj) [L725] CALL ldv_kref_init(&kobj->kref) [L682] ((&kref->refcount)->counter) = (1) [L725] RET ldv_kref_init(&kobj->kref) [L726] CALL LDV_INIT_LIST_HEAD(&kobj->entry) [L540] list->next = list VAL [ldv_global_msg_list={1:0}, list={21067:4}] [L541] list->prev = list [L726] RET LDV_INIT_LIST_HEAD(&kobj->entry) [L733] RET ldv_kobject_init_internal(kobj) [L745] RET ldv_kobject_init(kobj) [L746] return kobj; VAL [\result={21067:0}, ldv_global_msg_list={1:0}] [L759] RET, EXPR ldv_kobject_create() [L759] kobj = ldv_kobject_create() [L760] CALL ldv_kobject_put(kobj) [L711] COND TRUE \read(*kobj) [L712] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release) [L690] CALL, EXPR ldv_kref_sub(kref, 1, release) [L674] CALL, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L665] int temp; VAL [i=1, ldv_global_msg_list={1:0}, v={21067:12}] [L666] EXPR v->counter [L666] temp = v->counter [L667] temp -= i VAL [ldv_global_msg_list={1:0}, temp=0, v={21067:12}] [L668] v->counter = temp [L669] return temp; [L674] RET, EXPR ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L674] COND TRUE (ldv_atomic_sub_return(((int) count), (&kref->refcount)) == 0) [L675] CALL release(kref) [L706] const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); [L706] { const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) );} [L706] struct ldv_kobject *kobj = ({ const typeof( ((struct ldv_kobject *)0)->kref ) *__mptr = (kref); (struct ldv_kobject *)( (char *)__mptr - ((size_t) &((struct ldv_kobject *)0)->kref) );}); [L707] CALL ldv_kobject_cleanup(kobj) [L699] EXPR kobj->name [L699] char *name = kobj->name; [L700] free(kobj) VAL [ldv_global_msg_list={1:0}, name={0:0}] [L700] free(kobj) VAL [ldv_global_msg_list={1:0}, name={0:0}] [L700] free(kobj) [L701] COND FALSE !(\read(*name)) VAL [ldv_global_msg_list={1:0}] [L707] RET ldv_kobject_cleanup(kobj) [L675] RET release(kref) [L676] return 1; VAL [\result=1, ldv_global_msg_list={1:0}] [L690] RET, EXPR ldv_kref_sub(kref, 1, release) [L690] return ldv_kref_sub(kref, 1, release); [L712] RET ldv_kref_put(&kobj->kref, ldv_kobject_release) [L760] RET ldv_kobject_put(kobj) [L761] CALL ldv_kobject_put(kobj) [L711] COND TRUE \read(*kobj) [L712] CALL ldv_kref_put(&kobj->kref, ldv_kobject_release) [L690] CALL ldv_kref_sub(kref, 1, release) [L674] CALL ldv_atomic_sub_return(((int) count), (&kref->refcount)) [L665] int temp; VAL [i=1, ldv_global_msg_list={1:0}, v={21067:12}] [L666] v->counter * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.10ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 70.6MB in the end (delta: 21.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.28ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 67.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.12ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 66.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 915.01ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 85.6MB in the end (delta: -19.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * CodeCheck took 494757.72ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 85.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 575.9MB. Max. memory is 16.1GB. * Witness Printer took 65.33ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:05:19,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5da97fe-7e76-4b9c-a825-57e8ea4cceac/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)