./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:03,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:03,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:46:03,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:03,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:03,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:03,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:03,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:03,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:04,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:04,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:04,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:04,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:04,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:04,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:04,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:04,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:04,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:04,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:04,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:04,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:04,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:04,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:04,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:04,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:04,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:04,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:04,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:04,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:04,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:04,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:04,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:04,021 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_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ed361cdf08860b8c7c7d564ef95393de2d3a38663ac135cf0da9ded1f39b3f [2023-11-11 23:46:04,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:04,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:04,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:04,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:04,426 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:04,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-11 23:46:07,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:07,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:07,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i [2023-11-11 23:46:07,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/data/31a8d08b8/7f7b5e020f284b94b74f1a384752e332/FLAG343806f89 [2023-11-11 23:46:07,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/data/31a8d08b8/7f7b5e020f284b94b74f1a384752e332 [2023-11-11 23:46:07,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:07,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:07,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:07,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:07,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:07,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:07" (1/1) ... [2023-11-11 23:46:07,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc85bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:07, skipping insertion in model container [2023-11-11 23:46:07,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:07" (1/1) ... [2023-11-11 23:46:08,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:08,425 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2023-11-11 23:46:08,435 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2023-11-11 23:46:08,437 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2023-11-11 23:46:08,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:08,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:08,568 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26271,26284] [2023-11-11 23:46:08,570 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26396,26409] [2023-11-11 23:46:08,572 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-2.i[26511,26524] [2023-11-11 23:46:08,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:08,642 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:08,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08 WrapperNode [2023-11-11 23:46:08,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:08,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:08,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:08,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:08,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,714 INFO L138 Inliner]: procedures = 142, calls = 63, calls flagged for inlining = 14, calls inlined = 13, statements flattened = 185 [2023-11-11 23:46:08,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:08,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:08,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:08,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:08,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:08,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:08,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:08,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:08,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:08" (1/1) ... [2023-11-11 23:46:08,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:08,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:08,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:08,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cb082f5-38ae-4334-80c3-4fccade1ef3f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-11 23:46:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-11 23:46:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-11 23:46:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-11 23:46:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:46:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:46:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-11 23:46:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-11 23:46:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:46:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:46:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2023-11-11 23:46:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2023-11-11 23:46:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-11 23:46:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-11 23:46:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:09,118 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:09,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:09,515 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:09,610 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:09,611 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:46:09,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:09 BoogieIcfgContainer [2023-11-11 23:46:09,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:09,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:09,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:09,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:09,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:09" (1/1) ... [2023-11-11 23:46:09,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2023-11-11 23:46:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-11 23:46:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:46:09,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:09,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2023-11-11 23:46:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-11 23:46:10,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:46:10,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:10,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2023-11-11 23:46:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-11 23:46:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:46:10,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2023-11-11 23:46:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-11 23:46:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:46:11,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:12,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 102 transitions. [2023-11-11 23:46:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2023-11-11 23:46:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:46:12,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 107 transitions. [2023-11-11 23:46:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2023-11-11 23:46:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:46:13,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 84 states and 133 transitions. [2023-11-11 23:46:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2023-11-11 23:46:28,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:46:28,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:28,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:32,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 83 states and 131 transitions. [2023-11-11 23:46:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2023-11-11 23:46:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:46:32,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:32,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:46:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 135 transitions. [2023-11-11 23:46:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2023-11-11 23:46:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:46:34,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:34,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:47:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 92 states and 151 transitions. [2023-11-11 23:47:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2023-11-11 23:47:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:47:00,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:00,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:47:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 94 states and 152 transitions. [2023-11-11 23:47:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2023-11-11 23:47:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:47:00,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:00,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.