./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b --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 7f731faf9d41ed60f5858e3dbd50ffba002d2a56a92297f4715b69207f896c11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:54:09,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:54:09,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:54:09,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:54:09,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:54:09,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:54:09,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:54:09,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:54:09,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:54:09,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:54:09,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:54:09,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:54:09,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:54:09,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:54:09,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:54:09,907 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:54:09,907 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:54:09,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:54:09,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:54:09,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:54:09,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:54:09,907 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:54:09,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:54:09,907 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_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b 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 -> 7f731faf9d41ed60f5858e3dbd50ffba002d2a56a92297f4715b69207f896c11 [2024-12-06 05:54:10,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:54:10,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:54:10,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:54:10,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:54:10,118 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:54:10,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2024-12-06 05:54:12,773 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/data/f654252f4/e3a64f9558294348be195ed425c8b5c9/FLAG4fddc8903 [2024-12-06 05:54:13,057 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:54:13,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2024-12-06 05:54:13,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/data/f654252f4/e3a64f9558294348be195ed425c8b5c9/FLAG4fddc8903 [2024-12-06 05:54:13,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/data/f654252f4/e3a64f9558294348be195ed425c8b5c9 [2024-12-06 05:54:13,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:54:13,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:54:13,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:54:13,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:54:13,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:54:13,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64efd339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13, skipping insertion in model container [2024-12-06 05:54:13,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:54:13,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:54:13,453 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:54:13,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:54:13,538 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:54:13,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13 WrapperNode [2024-12-06 05:54:13,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:54:13,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:54:13,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:54:13,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:54:13,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,573 INFO L138 Inliner]: procedures = 168, calls = 80, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 85 [2024-12-06 05:54:13,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:54:13,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:54:13,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:54:13,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:54:13,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,591 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:54:13,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:54:13,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:54:13,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:54:13,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:54:13,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:54:13,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:54:13,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:54:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:54:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:54:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:54:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:54:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:54:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:54:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:54:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:54:13,755 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:54:13,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:54:13,916 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-12-06 05:54:13,916 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:54:13,965 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:54:13,966 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:54:13,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:54:13 BoogieIcfgContainer [2024-12-06 05:54:13,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:54:13,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:54:13,967 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:54:13,977 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:54:13,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:54:13" (1/1) ... [2024-12-06 05:54:13,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:54:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2024-12-06 05:54:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-12-06 05:54:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:54:14,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:14,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2024-12-06 05:54:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-12-06 05:54:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:14,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:14,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2024-12-06 05:54:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-12-06 05:54:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:14,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:14,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2024-12-06 05:54:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2024-12-06 05:54:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:14,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:14,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:15,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2024-12-06 05:54:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-12-06 05:54:15,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:15,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:15,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2024-12-06 05:54:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-12-06 05:54:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:15,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:15,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2024-12-06 05:54:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2024-12-06 05:54:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:15,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:15,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2024-12-06 05:54:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2024-12-06 05:54:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:16,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2024-12-06 05:54:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2024-12-06 05:54:17,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:54:17,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:17,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2024-12-06 05:54:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-12-06 05:54:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:54:18,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:19,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2024-12-06 05:54:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2024-12-06 05:54:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:54:19,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:19,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2024-12-06 05:54:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2024-12-06 05:54:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:54:21,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:21,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:21,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:21,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2024-12-06 05:54:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2024-12-06 05:54:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:54:21,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-12-06 05:54:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-12-06 05:54:21,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:54:21,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:21,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2024-12-06 05:54:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-12-06 05:54:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:54:22,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:22,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:22,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2024-12-06 05:54:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-12-06 05:54:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:54:22,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2024-12-06 05:54:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2024-12-06 05:54:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:54:22,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:22,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2024-12-06 05:54:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-12-06 05:54:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:54:24,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:24,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-12-06 05:54:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-12-06 05:54:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:54:26,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2024-12-06 05:54:27,163 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2024-12-06 05:54:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:54:27,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:27,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:27,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2024-12-06 05:54:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2024-12-06 05:54:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:54:27,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:30,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2024-12-06 05:54:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-12-06 05:54:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:54:30,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:30,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2024-12-06 05:54:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2024-12-06 05:54:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:54:34,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:34,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2024-12-06 05:54:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2024-12-06 05:54:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:54:37,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:37,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2024-12-06 05:54:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2024-12-06 05:54:38,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:54:38,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:38,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-12-06 05:54:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-12-06 05:54:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:54:38,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:38,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2024-12-06 05:54:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2024-12-06 05:54:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:54:42,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:42,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:47,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:47,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2024-12-06 05:54:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-12-06 05:54:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:54:47,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:47,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2024-12-06 05:54:48,739 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-12-06 05:54:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:54:48,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:48,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-12-06 05:54:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-12-06 05:54:53,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:54:53,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:53,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2024-12-06 05:54:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-12-06 05:54:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:54:53,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:53,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:54:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:54:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2024-12-06 05:54:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-12-06 05:54:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:54:59,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:54:59,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:54:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:55:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2024-12-06 05:55:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-12-06 05:55:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:55:00,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:00,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:55:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:02,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:55:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2024-12-06 05:55:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-12-06 05:55:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:55:08,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:08,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:55:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:55:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:55:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:55:11,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2024-12-06 05:55:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-12-06 05:55:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:55:11,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:55:11,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:55:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:11,763 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:55:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:11,816 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:55:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:55:11,841 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 35 iterations. [2024-12-06 05:55:11,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:55:11 ImpRootNode [2024-12-06 05:55:11,865 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:55:11,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:55:11,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:55:11,866 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:55:11,866 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:54:13" (3/4) ... [2024-12-06 05:55:11,867 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:55:11,900 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 16. [2024-12-06 05:55:11,943 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:55:11,944 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:55:11,944 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:55:11,945 INFO L158 Benchmark]: Toolchain (without parser) took 58855.84ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 91.7MB in the beginning and 115.1MB in the end (delta: -23.4MB). Peak memory consumption was 184.5MB. Max. memory is 16.1GB. [2024-12-06 05:55:11,945 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:11,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.28ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 69.3MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:55:11,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.18ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 67.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:11,946 INFO L158 Benchmark]: Boogie Preprocessor took 24.05ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:55:11,946 INFO L158 Benchmark]: RCFGBuilder took 368.19ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 48.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:55:11,946 INFO L158 Benchmark]: CodeCheck took 57898.39ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 48.0MB in the beginning and 122.4MB in the end (delta: -74.3MB). Peak memory consumption was 142.5MB. Max. memory is 16.1GB. [2024-12-06 05:55:11,946 INFO L158 Benchmark]: Witness Printer took 78.09ms. Allocated memory is still 327.2MB. Free memory was 122.4MB in the beginning and 115.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:55:11,948 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, 36 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 57.8s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3276 SdHoareTripleChecker+Valid, 16.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3067 mSDsluCounter, 2856 SdHoareTripleChecker+Invalid, 14.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2540 mSDsCounter, 2876 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12015 IncrementalHoareTripleChecker+Invalid, 14891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2876 mSolverCounterUnsat, 316 mSDtfsCounter, 12015 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2914 GetRequests, 2283 SyntacticMatches, 67 SemanticMatches, 564 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162308 ImplicationChecksByTransitivity, 54.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 1960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 782]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L784] struct A a6; [L793] CALL entry_point() [L786] CALL, EXPR probe3_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={-1:0}] [L774] a->p = p VAL [a6={2:0}, ldv_global_msg_list={1:0}, p={-1:0}] [L775] free(p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L775] free(p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L775] free(p) [L776] return 0; VAL [\result=0, a6={2:0}, ldv_global_msg_list={1:0}] [L786] RET, EXPR probe3_6(&a6) [L786] int ret = probe3_6(&a6); [L787] COND TRUE ret==0 [L788] CALL disconnect_6(&a6) [L782] EXPR a->p VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.28ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 69.3MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.18ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 67.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.05ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.19ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 48.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 57898.39ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 48.0MB in the beginning and 122.4MB in the end (delta: -74.3MB). Peak memory consumption was 142.5MB. Max. memory is 16.1GB. * Witness Printer took 78.09ms. Allocated memory is still 327.2MB. Free memory was 122.4MB in the beginning and 115.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:55:11,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94814d2a-2f5d-4d1d-8bab-2debb3b65f31/bin/ukojak-verify-CZk0znPC7b/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-free)