./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:02:22,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:22,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-09 00:02:22,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:02:22,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:02:22,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:22,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:22,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:22,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:22,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:02:22,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:02:22,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:02:22,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:22,752 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:02:22,754 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:02:22,755 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:02:22,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:22,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:22,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:02:22,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:02:22,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:22,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:22,758 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:22,758 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:22,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:22,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:22,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:22,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:22,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:02:22,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:02:22,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f731faf9d41ed60f5858e3dbd50ffba002d2a56a92297f4715b69207f896c11 [2024-11-09 00:02:23,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:23,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:23,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:23,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:23,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:23,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i Unable to find full path for "g++" [2024-11-09 00:02:25,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:25,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:25,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2024-11-09 00:02:25,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/data/2171af419/c6911e2895f94a15b85281ac9a6c6053/FLAGf761ef1ff [2024-11-09 00:02:25,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/data/2171af419/c6911e2895f94a15b85281ac9a6c6053 [2024-11-09 00:02:25,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:25,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:25,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:25,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:25,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:25,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:25" (1/1) ... [2024-11-09 00:02:25,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a725df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:25, skipping insertion in model container [2024-11-09 00:02:25,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:25" (1/1) ... [2024-11-09 00:02:25,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:26,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:26,253 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:26,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:26,398 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:26,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26 WrapperNode [2024-11-09 00:02:26,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:26,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:26,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:26,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:26,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,473 INFO L138 Inliner]: procedures = 168, calls = 80, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 85 [2024-11-09 00:02:26,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:26,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:26,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:26,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:26,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:26,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:26,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:26,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:26,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:26" (1/1) ... [2024-11-09 00:02:26,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:26,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:26,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:26,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:02:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:02:26,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:02:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:02:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:02:26,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:26,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:26,760 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:26,763 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:27,041 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:27,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:27,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:27,099 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:02:27,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:27 BoogieIcfgContainer [2024-11-09 00:02:27,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:27,104 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:27,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:27,116 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:27,117 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:27" (1/1) ... [2024-11-09 00:02:27,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:27,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:27,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2024-11-09 00:02:27,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-09 00:02:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:02:27,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:27,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2024-11-09 00:02:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-11-09 00:02:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:27,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:27,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2024-11-09 00:02:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-11-09 00:02:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:28,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:28,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2024-11-09 00:02:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2024-11-09 00:02:28,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:28,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:28,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2024-11-09 00:02:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-11-09 00:02:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:29,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:29,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2024-11-09 00:02:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2024-11-09 00:02:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:29,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:29,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2024-11-09 00:02:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2024-11-09 00:02:29,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:29,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:29,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2024-11-09 00:02:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2024-11-09 00:02:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:30,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:30,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2024-11-09 00:02:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2024-11-09 00:02:32,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:02:32,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:32,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2024-11-09 00:02:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-09 00:02:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:02:34,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:34,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2024-11-09 00:02:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2024-11-09 00:02:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:02:35,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:37,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2024-11-09 00:02:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2024-11-09 00:02:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:02:37,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:37,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 66 transitions. [2024-11-09 00:02:37,977 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2024-11-09 00:02:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:02:37,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:37,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-09 00:02:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-09 00:02:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:02:38,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:38,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2024-11-09 00:02:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-09 00:02:39,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:02:39,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:39,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2024-11-09 00:02:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-11-09 00:02:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:02:39,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:39,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2024-11-09 00:02:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2024-11-09 00:02:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:40,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:40,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2024-11-09 00:02:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2024-11-09 00:02:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:42,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:42,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2024-11-09 00:02:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2024-11-09 00:02:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:43,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:46,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2024-11-09 00:02:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2024-11-09 00:02:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:46,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2024-11-09 00:02:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-09 00:02:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:02:47,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 53 states and 74 transitions. [2024-11-09 00:02:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2024-11-09 00:02:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:02:52,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:52,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2024-11-09 00:02:57,203 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2024-11-09 00:02:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:02:57,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:57,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2024-11-09 00:02:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2024-11-09 00:02:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:02:57,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:57,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2024-11-09 00:02:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2024-11-09 00:02:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:02:59,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:59,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-09 00:02:59,549 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-09 00:02:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:02:59,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:59,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2024-11-09 00:03:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2024-11-09 00:03:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:03:06,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2024-11-09 00:03:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-11-09 00:03:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:03:12,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:12,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:14,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2024-11-09 00:03:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-09 00:03:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:03:14,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:14,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-09 00:03:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-09 00:03:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:03:20,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:20,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2024-11-09 00:03:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-11-09 00:03:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:03:21,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:21,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2024-11-09 00:03:28,497 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-09 00:03:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:03:28,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2024-11-09 00:03:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-09 00:03:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:03:30,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:30,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2024-11-09 00:03:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-09 00:03:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:03:40,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:40,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2024-11-09 00:03:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-11-09 00:03:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:03:45,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:45,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:03:45,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:03:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:03:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:03:45,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:03:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:03:45,390 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 35 iterations. [2024-11-09 00:03:45,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:03:45 ImpRootNode [2024-11-09 00:03:45,419 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:03:45,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:03:45,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:03:45,420 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:03:45,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:27" (3/4) ... [2024-11-09 00:03:45,422 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:03:45,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:03:45,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:03:45,491 INFO L158 Benchmark]: Toolchain (without parser) took 79904.86ms. Allocated memory was 151.0MB in the beginning and 664.8MB in the end (delta: 513.8MB). Free memory was 115.5MB in the beginning and 406.3MB in the end (delta: -290.7MB). Peak memory consumption was 225.9MB. Max. memory is 16.1GB. [2024-11-09 00:03:45,491 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:03:45,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.20ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 90.4MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:03:45,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.83ms. Allocated memory is still 151.0MB. Free memory was 90.4MB in the beginning and 88.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:03:45,492 INFO L158 Benchmark]: Boogie Preprocessor took 55.90ms. Allocated memory is still 151.0MB. Free memory was 88.0MB in the beginning and 86.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:03:45,493 INFO L158 Benchmark]: RCFGBuilder took 571.88ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 108.3MB in the end (delta: -22.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-09 00:03:45,498 INFO L158 Benchmark]: CodeCheck took 78314.84ms. Allocated memory was 151.0MB in the beginning and 664.8MB in the end (delta: 513.8MB). Free memory was 108.3MB in the beginning and 408.4MB in the end (delta: -300.0MB). Peak memory consumption was 213.6MB. Max. memory is 16.1GB. [2024-11-09 00:03:45,498 INFO L158 Benchmark]: Witness Printer took 70.66ms. Allocated memory is still 664.8MB. Free memory was 408.4MB in the beginning and 406.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:03:45,501 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: 78.2s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3185 SdHoareTripleChecker+Valid, 23.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2964 mSDsluCounter, 2495 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2179 mSDsCounter, 2849 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11854 IncrementalHoareTripleChecker+Invalid, 14703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2849 mSolverCounterUnsat, 316 mSDtfsCounter, 11854 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2867 GetRequests, 2245 SyntacticMatches, 70 SemanticMatches, 552 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153634 ImplicationChecksByTransitivity, 72.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.8s 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 - 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 0.43ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.20ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 90.4MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.83ms. Allocated memory is still 151.0MB. Free memory was 90.4MB in the beginning and 88.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.90ms. Allocated memory is still 151.0MB. Free memory was 88.0MB in the beginning and 86.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.88ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 108.3MB in the end (delta: -22.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * CodeCheck took 78314.84ms. Allocated memory was 151.0MB in the beginning and 664.8MB in the end (delta: 513.8MB). Free memory was 108.3MB in the beginning and 408.4MB in the end (delta: -300.0MB). Peak memory consumption was 213.6MB. Max. memory is 16.1GB. * Witness Printer took 70.66ms. Allocated memory is still 664.8MB. Free memory was 408.4MB in the beginning and 406.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:03:45,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f2bb49-df86-40d2-a210-7288728fa10f/bin/ukojak-verify-ImItNfHLgk/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)