./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL --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 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:00,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:00,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:11:00,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:00,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:00,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:00,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:11:00,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:11:00,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:00,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:00,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:00,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:11:00,675 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:00,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:00,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:00,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:00,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:11:00,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:00,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:11:00,679 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:00,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:11:00,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:00,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:00,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:00,681 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:00,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:00,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:00,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:00,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:00,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:11:00,684 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:00,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:00,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:11:00,685 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2023-11-19 03:11:01,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:01,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:01,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:01,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:01,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:01,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-19 03:11:04,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:04,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:04,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-19 03:11:04,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/data/211be332d/41e37526b96a4ce4995dcad842a91ebc/FLAG228244fc0 [2023-11-19 03:11:04,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/data/211be332d/41e37526b96a4ce4995dcad842a91ebc [2023-11-19 03:11:04,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:04,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:04,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:04,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:04,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:04,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:04" (1/1) ... [2023-11-19 03:11:04,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16443d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:04, skipping insertion in model container [2023-11-19 03:11:04,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:04" (1/1) ... [2023-11-19 03:11:04,650 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:04,997 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2023-11-19 03:11:05,006 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2023-11-19 03:11:05,008 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2023-11-19 03:11:05,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:05,042 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:05,133 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2023-11-19 03:11:05,137 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2023-11-19 03:11:05,140 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_ba515b03-03a3-46f5-86c3-cbf06358d11c/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2023-11-19 03:11:05,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:05,206 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:05,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05 WrapperNode [2023-11-19 03:11:05,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:05,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:05,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:05,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:05,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,296 INFO L138 Inliner]: procedures = 142, calls = 62, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 184 [2023-11-19 03:11:05,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:05,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:05,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:05,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:05,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:05,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:05,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:05,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:05,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:05" (1/1) ... [2023-11-19 03:11:05,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:05,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:05,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:05,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba515b03-03a3-46f5-86c3-cbf06358d11c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-19 03:11:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-19 03:11:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-19 03:11:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-19 03:11:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:11:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:11:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-19 03:11:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-19 03:11:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:11:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:11:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:11:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-19 03:11:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-19 03:11:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:05,598 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:05,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:05,997 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:06,171 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:06,171 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:11:06,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:06 BoogieIcfgContainer [2023-11-19 03:11:06,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:06,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:06,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:06,187 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:06,188 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:06" (1/1) ... [2023-11-19 03:11:06,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2023-11-19 03:11:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-19 03:11:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:11:06,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:06,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:06,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2023-11-19 03:11:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-11-19 03:11:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:11:06,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:06,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2023-11-19 03:11:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2023-11-19 03:11:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:11:07,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:07,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2023-11-19 03:11:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-19 03:11:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:11:07,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 92 transitions. [2023-11-19 03:11:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2023-11-19 03:11:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:11:09,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:09,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:11:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 66 states and 97 transitions. [2023-11-19 03:11:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2023-11-19 03:11:09,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:11:09,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:09,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 76 states and 123 transitions. [2023-11-19 03:11:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2023-11-19 03:11:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:11:23,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:23,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:24,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 75 states and 121 transitions. [2023-11-19 03:11:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2023-11-19 03:11:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:11:26,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:26,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 125 transitions. [2023-11-19 03:11:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 125 transitions. [2023-11-19 03:11:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:11:28,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:28,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:11:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 84 states and 141 transitions. [2023-11-19 03:11:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 141 transitions. [2023-11-19 03:11:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:11:51,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:51,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:11:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 86 states and 142 transitions. [2023-11-19 03:11:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 142 transitions. [2023-11-19 03:11:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:11:52,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:52,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:57,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 98 states and 170 transitions. [2023-11-19 03:11:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 170 transitions. [2023-11-19 03:11:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:11:57,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:57,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.