./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/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_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi --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 fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:19,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:19,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:19,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:19,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:19,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:19,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:19,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:19,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:19,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:19,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:19,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:19,521 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:19,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:19,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:19,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:19,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:19,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:19,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:19,525 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:19,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:19,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:19,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:19,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:19,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:19,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:19,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:19,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:19,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:19,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:19,532 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:19,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:19,533 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:19,533 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_387a2252-99a1-474e-b671-0e0b6c494f55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf [2023-11-24 22:54:19,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:19,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:19,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:19,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:19,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:19,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2023-11-24 22:54:23,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:23,351 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:23,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2023-11-24 22:54:23,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/data/bad360564/0ecba1a5429e45da9137c4b205273cab/FLAG717208c13 [2023-11-24 22:54:23,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/data/bad360564/0ecba1a5429e45da9137c4b205273cab [2023-11-24 22:54:23,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:23,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:23,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:23,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:23,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:23,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43716d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23, skipping insertion in model container [2023-11-24 22:54:23,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:23,826 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_387a2252-99a1-474e-b671-0e0b6c494f55/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2023-11-24 22:54:23,835 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_387a2252-99a1-474e-b671-0e0b6c494f55/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2023-11-24 22:54:23,836 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_387a2252-99a1-474e-b671-0e0b6c494f55/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2023-11-24 22:54:23,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:23,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:23,914 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_387a2252-99a1-474e-b671-0e0b6c494f55/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2023-11-24 22:54:23,916 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_387a2252-99a1-474e-b671-0e0b6c494f55/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2023-11-24 22:54:23,917 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_387a2252-99a1-474e-b671-0e0b6c494f55/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2023-11-24 22:54:23,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:23,955 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:23,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23 WrapperNode [2023-11-24 22:54:23,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:23,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:23,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:23,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:23,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,020 INFO L138 Inliner]: procedures = 139, calls = 56, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 137 [2023-11-24 22:54:24,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:24,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:24,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:24,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:24,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:24,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:24,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:24,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:24,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:24,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:24,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:24,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:24,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387a2252-99a1-474e-b671-0e0b6c494f55/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-24 22:54:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-24 22:54:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:54:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-24 22:54:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-24 22:54:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:54:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-24 22:54:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-24 22:54:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:54:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:54:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-24 22:54:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-24 22:54:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:24,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:24,352 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:24,354 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:24,726 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:24,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:24,821 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:54:24,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:24 BoogieIcfgContainer [2023-11-24 22:54:24,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:24,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:24,824 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:24,835 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:24,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:24" (1/1) ... [2023-11-24 22:54:24,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2023-11-24 22:54:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-24 22:54:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:24,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:25,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2023-11-24 22:54:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-24 22:54:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:25,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:25,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 75 transitions. [2023-11-24 22:54:26,267 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2023-11-24 22:54:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:26,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 67 transitions. [2023-11-24 22:54:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-24 22:54:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:54:27,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:54:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 68 transitions. [2023-11-24 22:54:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-24 22:54:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:54:27,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:54:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 81 transitions. [2023-11-24 22:54:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 22:54:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:28,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:41,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:44,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:46,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:48,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:49,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:51,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:52,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:54,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:55,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:57,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:54:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:54:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:54:58,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:55:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:55:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:00,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:01,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:55:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:55:01,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:01,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:55:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:55:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:02,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:55:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:55:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:03,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 136 transitions. [2023-11-24 22:55:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2023-11-24 22:55:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:05,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat