./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi --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 a38de44f112a10364737c35b840e673503a211a020b9f494a50e4a32c8fe31c0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:45,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:45,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:15:45,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:45,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:45,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:45,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:45,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:45,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:45,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:45,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:45,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:45,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:45,850 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:15:45,852 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:15:45,853 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:15:45,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:45,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:45,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:45,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:45,855 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:45,856 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:45,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:45,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:45,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:45,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:45,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:45,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:45,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:45,873 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_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38de44f112a10364737c35b840e673503a211a020b9f494a50e4a32c8fe31c0 [2023-11-24 22:15:46,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:46,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:46,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:46,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:46,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:46,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-11-24 22:15:49,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:49,931 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:49,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-11-24 22:15:49,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/data/9c0ff3570/4e7a36dbd8164494b7b100a6990dd34b/FLAG561b37d69 [2023-11-24 22:15:49,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/data/9c0ff3570/4e7a36dbd8164494b7b100a6990dd34b [2023-11-24 22:15:49,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:50,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:50,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:50,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:50,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:50,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:50,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d4ae55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50, skipping insertion in model container [2023-11-24 22:15:50,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:49" (1/1) ... [2023-11-24 22:15:50,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:50,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:50,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:50,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:50,863 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:50,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50 WrapperNode [2023-11-24 22:15:50,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:50,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:50,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:50,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:50,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:50,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:50,960 INFO L138 Inliner]: procedures = 232, calls = 76, calls flagged for inlining = 34, calls inlined = 85, statements flattened = 655 [2023-11-24 22:15:50,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:50,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:50,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:50,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:50,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:50,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:50,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:50,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:51,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:51,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:51,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:51,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:51,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:51,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:51,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:51,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:51,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:50" (1/1) ... [2023-11-24 22:15:51,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:51,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:51,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:51,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d9f96f-bf4a-4845-b389-00666ca9e594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:15:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:15:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:15:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:15:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:15:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:15:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:51,388 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:51,391 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:52,600 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:52,757 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:52,759 INFO L309 CfgBuilder]: Removed 76 assume(true) statements. [2023-11-24 22:15:52,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:52 BoogieIcfgContainer [2023-11-24 22:15:52,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:52,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:52,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:52,779 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:52,779 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:52" (1/1) ... [2023-11-24 22:15:52,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 396 states and 544 transitions. [2023-11-24 22:15:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 544 transitions. [2023-11-24 22:15:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:15:52,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:52,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 395 states and 542 transitions. [2023-11-24 22:15:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 542 transitions. [2023-11-24 22:15:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:15:53,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 394 states and 541 transitions. [2023-11-24 22:15:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 541 transitions. [2023-11-24 22:15:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:53,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:54,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 397 states and 547 transitions. [2023-11-24 22:15:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 547 transitions. [2023-11-24 22:15:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:54,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:54,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 400 states and 552 transitions. [2023-11-24 22:15:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 552 transitions. [2023-11-24 22:15:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:15:54,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:54,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:56,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 404 states and 560 transitions. [2023-11-24 22:15:56,083 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 560 transitions. [2023-11-24 22:15:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:15:56,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:56,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:57,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 408 states and 568 transitions. [2023-11-24 22:15:57,936 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 568 transitions. [2023-11-24 22:15:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:57,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:57,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 410 states and 573 transitions. [2023-11-24 22:15:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 573 transitions. [2023-11-24 22:15:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:58,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:58,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 412 states and 578 transitions. [2023-11-24 22:16:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 578 transitions. [2023-11-24 22:16:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:00,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:00,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 411 states and 577 transitions. [2023-11-24 22:16:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 577 transitions. [2023-11-24 22:16:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:00,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:00,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 415 states and 586 transitions. [2023-11-24 22:16:03,912 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 586 transitions. [2023-11-24 22:16:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:03,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:03,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 418 states and 592 transitions. [2023-11-24 22:16:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 592 transitions. [2023-11-24 22:16:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:16:06,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:06,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 421 states and 597 transitions. [2023-11-24 22:16:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 597 transitions. [2023-11-24 22:16:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:08,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 426 states and 605 transitions. [2023-11-24 22:16:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 605 transitions. [2023-11-24 22:16:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:10,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 431 states and 616 transitions. [2023-11-24 22:16:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 616 transitions. [2023-11-24 22:16:14,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:14,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:14,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 430 states and 615 transitions. [2023-11-24 22:16:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 615 transitions. [2023-11-24 22:16:15,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:15,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 431 states and 616 transitions. [2023-11-24 22:16:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 616 transitions. [2023-11-24 22:16:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:15,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 431 states and 612 transitions. [2023-11-24 22:16:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 612 transitions. [2023-11-24 22:16:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:15,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:15,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:20,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 442 states and 631 transitions. [2023-11-24 22:16:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 631 transitions. [2023-11-24 22:16:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:20,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:20,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 454 states and 654 transitions. [2023-11-24 22:16:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 654 transitions. [2023-11-24 22:16:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:29,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:29,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 456 states and 656 transitions. [2023-11-24 22:16:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 656 transitions. [2023-11-24 22:16:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:30,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:30,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 460 states and 660 transitions. [2023-11-24 22:16:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 660 transitions. [2023-11-24 22:16:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:31,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:31,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 464 states and 664 transitions. [2023-11-24 22:16:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 664 transitions. [2023-11-24 22:16:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:32,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 475 states and 684 transitions. [2023-11-24 22:16:40,686 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 684 transitions. [2023-11-24 22:16:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:40,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:40,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat