./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_27-funptr_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_27-funptr_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce37da4bed964b4727d03a98278bc58de76d7006f2d65a8a42fb0f55b5b34a9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:30:09,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:30:09,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-23 11:30:09,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:30:09,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:30:09,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:30:09,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:30:09,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:30:09,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:30:09,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:30:09,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:30:09,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:30:09,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:30:09,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:30:09,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:30:09,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:30:09,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:30:09,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:30:09,668 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 11:30:09,668 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 11:30:09,668 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:30:09,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:30:09,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:30:09,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:30:09,670 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:30:09,671 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:30:09,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter 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 -> ce37da4bed964b4727d03a98278bc58de76d7006f2d65a8a42fb0f55b5b34a9c [2024-11-23 11:30:09,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:30:09,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:30:09,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:30:09,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:30:09,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:30:09,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/goblint-regression/28-race_reach_27-funptr_racing.i [2024-11-23 11:30:13,314 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/data/749f12670/b4b7f22ae73e483083b656bb0133140b/FLAG8ef57d759 [2024-11-23 11:30:13,668 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:30:13,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/sv-benchmarks/c/goblint-regression/28-race_reach_27-funptr_racing.i [2024-11-23 11:30:13,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/data/749f12670/b4b7f22ae73e483083b656bb0133140b/FLAG8ef57d759 [2024-11-23 11:30:13,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/data/749f12670/b4b7f22ae73e483083b656bb0133140b [2024-11-23 11:30:13,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:30:13,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:30:13,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:30:13,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:30:13,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:30:13,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:30:13" (1/1) ... [2024-11-23 11:30:13,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ccdc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:13, skipping insertion in model container [2024-11-23 11:30:13,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:30:13" (1/1) ... [2024-11-23 11:30:13,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:30:14,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:30:14,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:30:14,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:30:14,409 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:30:14,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14 WrapperNode [2024-11-23 11:30:14,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:30:14,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:30:14,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:30:14,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:30:14,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,465 INFO L138 Inliner]: procedures = 252, calls = 53, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 166 [2024-11-23 11:30:14,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:30:14,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:30:14,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:30:14,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:30:14,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,489 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:30:14,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:30:14,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:30:14,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:30:14,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (1/1) ... [2024-11-23 11:30:14,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:30:14,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:14,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:30:14,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:30:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 11:30:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 11:30:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 11:30:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:30:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:30:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 11:30:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:30:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 11:30:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 11:30:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:30:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:30:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:30:14,595 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:30:14,764 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:30:14,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:30:15,154 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:30:15,154 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:30:15,444 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:30:15,446 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-23 11:30:15,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:15 BoogieIcfgContainer [2024-11-23 11:30:15,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:30:15,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:30:15,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:30:15,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:30:15,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:30:13" (1/3) ... [2024-11-23 11:30:15,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f51d581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:30:15, skipping insertion in model container [2024-11-23 11:30:15,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:14" (2/3) ... [2024-11-23 11:30:15,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f51d581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:30:15, skipping insertion in model container [2024-11-23 11:30:15,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:15" (3/3) ... [2024-11-23 11:30:15,459 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_27-funptr_racing.i [2024-11-23 11:30:15,477 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:30:15,478 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_27-funptr_racing.i that has 2 procedures, 72 locations, 1 initial locations, 9 loop locations, and 6 error locations. [2024-11-23 11:30:15,479 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:30:15,552 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 11:30:15,617 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:15,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:30:15,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:15,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:30:15,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed3cd51d-9c51-4750-b0c2-7a670c8f75fc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:30:15,736 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:15,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:15,758 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:15,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:15,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:15,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:15,988 INFO L85 PathProgramCache]: Analyzing trace with hash 559487896, now seen corresponding path program 1 times [2024-11-23 11:30:15,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:15,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002139481] [2024-11-23 11:30:15,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:15,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:16,168 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:16,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:16,260 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:16,261 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:16,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:16,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:16,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:16,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:16,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:16,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:16,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:30:16,275 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:16,279 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:16,279 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-23 11:30:16,366 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 11:30:16,371 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:16,391 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:16,391 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:16,391 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:16,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:16,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:16,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:16,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1230016937, now seen corresponding path program 1 times [2024-11-23 11:30:16,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:16,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406068321] [2024-11-23 11:30:16,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:16,651 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:16,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:16,681 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:16,682 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:16,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:16,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:16,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:16,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:16,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:16,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:16,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:30:16,685 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:16,687 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:16,687 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-23 11:30:16,740 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 11:30:16,743 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:16,764 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:16,765 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:16,765 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:16,765 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:16,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:16,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash -412379107, now seen corresponding path program 1 times [2024-11-23 11:30:16,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:16,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959999485] [2024-11-23 11:30:16,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:16,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:17,019 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:17,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:17,074 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:17,074 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:17,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:17,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:17,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:17,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:17,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:17,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:17,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:30:17,076 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:17,077 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:17,077 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-23 11:30:17,131 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-23 11:30:17,135 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:17,156 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:17,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:17,157 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:17,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:17,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:17,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:17,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1737666804, now seen corresponding path program 1 times [2024-11-23 11:30:17,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:17,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940410338] [2024-11-23 11:30:17,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:17,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:17,449 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:17,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:17,509 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:17,509 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:17,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:17,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:17,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:17,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:17,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:17,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:17,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:30:17,515 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:17,515 WARN L246 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:17,515 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-11-23 11:30:17,592 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-23 11:30:17,597 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:17,625 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:17,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:17,626 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:17,627 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:17,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:17,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:17,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1483599534, now seen corresponding path program 1 times [2024-11-23 11:30:17,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:17,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618101086] [2024-11-23 11:30:17,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:17,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:17,943 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:17,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:17,996 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:18,000 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:18,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:18,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:18,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:18,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:18,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:18,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:18,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:30:18,003 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:18,006 WARN L246 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:18,006 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-11-23 11:30:18,096 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-11-23 11:30:18,101 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:18,129 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:18,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:18,131 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:18,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:18,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:18,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2044339147, now seen corresponding path program 1 times [2024-11-23 11:30:18,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:18,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422203802] [2024-11-23 11:30:18,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:18,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:18,454 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:18,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:18,482 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:18,483 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:18,483 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:18,483 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:18,483 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:18,483 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:18,483 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:18,484 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:18,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:30:18,487 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:18,487 WARN L246 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:18,487 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-11-23 11:30:18,580 INFO L143 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2024-11-23 11:30:18,584 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:18,618 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:18,618 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:18,619 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:18,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:18,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:18,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:18,862 INFO L85 PathProgramCache]: Analyzing trace with hash 166257355, now seen corresponding path program 1 times [2024-11-23 11:30:18,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:18,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303790386] [2024-11-23 11:30:18,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:18,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:18,927 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:18,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:18,957 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:18,958 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:18,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:18,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:18,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:18,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:18,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:18,959 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:18,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 11:30:18,962 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:18,963 WARN L246 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:18,963 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-11-23 11:30:19,036 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-23 11:30:19,040 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:19,078 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:19,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:19,079 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:19,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:19,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:19,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:19,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1310687698, now seen corresponding path program 1 times [2024-11-23 11:30:19,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:19,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359016055] [2024-11-23 11:30:19,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:19,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:19,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:19,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:19,507 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:19,508 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:19,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:19,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:19,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:19,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:19,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:19,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:19,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 11:30:19,513 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:19,513 WARN L246 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:19,514 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2024-11-23 11:30:19,612 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-11-23 11:30:19,617 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:19,672 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:19,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:19,673 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:19,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:20,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:20,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:20,105 INFO L85 PathProgramCache]: Analyzing trace with hash 322701428, now seen corresponding path program 1 times [2024-11-23 11:30:20,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:20,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487756581] [2024-11-23 11:30:20,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:20,182 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:20,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:20,239 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:20,239 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:20,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:20,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:20,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:20,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:20,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:20,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:20,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 11:30:20,247 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:20,247 WARN L246 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:20,247 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances. [2024-11-23 11:30:20,353 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2024-11-23 11:30:20,360 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:20,408 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:20,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:20,409 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:20,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:20,809 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:20,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:20,810 INFO L85 PathProgramCache]: Analyzing trace with hash -190098403, now seen corresponding path program 1 times [2024-11-23 11:30:20,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:20,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036959468] [2024-11-23 11:30:20,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:20,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:20,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:20,900 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:20,900 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:20,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:20,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:20,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:20,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:20,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:20,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:20,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 11:30:20,904 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:20,905 WARN L246 ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:20,905 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances. [2024-11-23 11:30:20,993 INFO L143 ThreadInstanceAdder]: Constructed 11 joinOtherThreadTransitions. [2024-11-23 11:30:20,998 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:21,046 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:21,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:21,047 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:21,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:21,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:21,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:21,478 INFO L85 PathProgramCache]: Analyzing trace with hash 252900265, now seen corresponding path program 1 times [2024-11-23 11:30:21,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:21,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000066229] [2024-11-23 11:30:21,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:21,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:21,535 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:21,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:21,592 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:21,592 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:21,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:21,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:21,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:21,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:21,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:21,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:21,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 11:30:21,599 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:21,599 WARN L246 ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:21,599 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances. [2024-11-23 11:30:21,702 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-11-23 11:30:21,709 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:21,765 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:21,765 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:21,766 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:21,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:22,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:22,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2056010136, now seen corresponding path program 1 times [2024-11-23 11:30:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:22,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346892389] [2024-11-23 11:30:22,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:22,269 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:22,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:22,323 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:22,324 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:22,324 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:22,324 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:22,324 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:22,324 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:22,324 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:22,324 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:22,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 11:30:22,334 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:22,335 WARN L246 ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:22,335 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances. [2024-11-23 11:30:22,443 INFO L143 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2024-11-23 11:30:22,450 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:22,541 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:22,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:22,542 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:22,542 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:23,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:23,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:23,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1150994326, now seen corresponding path program 1 times [2024-11-23 11:30:23,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:23,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663207546] [2024-11-23 11:30:23,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:23,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:23,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:23,220 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:23,220 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:23,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:23,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:23,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:23,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:23,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:23,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:23,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 11:30:23,231 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:23,231 WARN L246 ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:23,232 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances. [2024-11-23 11:30:23,357 INFO L143 ThreadInstanceAdder]: Constructed 14 joinOtherThreadTransitions. [2024-11-23 11:30:23,365 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:23,421 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:23,425 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:23,425 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:23,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:23,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:23,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:23,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1864417951, now seen corresponding path program 1 times [2024-11-23 11:30:23,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:23,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577258860] [2024-11-23 11:30:23,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:23,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:23,942 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:23,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:23,990 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:23,990 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:23,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:23,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:23,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:23,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:23,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:23,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:23,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 11:30:23,999 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:23,999 WARN L246 ceAbstractionStarter]: 14 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:23,999 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 15 thread instances. [2024-11-23 11:30:24,092 INFO L143 ThreadInstanceAdder]: Constructed 15 joinOtherThreadTransitions. [2024-11-23 11:30:24,098 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:24,156 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:24,157 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:24,157 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:24,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:24,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:24,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1720292681, now seen corresponding path program 1 times [2024-11-23 11:30:24,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:24,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216565790] [2024-11-23 11:30:24,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:24,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:24,697 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:24,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:24,743 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:24,743 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:24,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:24,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:24,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:24,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:24,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:24,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:24,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 11:30:24,754 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:24,755 WARN L246 ceAbstractionStarter]: 15 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:24,755 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 16 thread instances. [2024-11-23 11:30:24,857 INFO L143 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2024-11-23 11:30:24,864 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:24,923 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:24,923 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:24,924 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:24,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:25,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:25,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:25,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1856863438, now seen corresponding path program 1 times [2024-11-23 11:30:25,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:25,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988743695] [2024-11-23 11:30:25,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:25,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:25,535 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:25,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:25,587 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:25,587 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:25,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:25,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:25,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:25,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:25,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:25,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:25,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 11:30:25,598 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:25,598 WARN L246 ceAbstractionStarter]: 16 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:25,599 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 17 thread instances. [2024-11-23 11:30:25,706 INFO L143 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2024-11-23 11:30:25,712 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:25,772 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:25,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:25,773 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:25,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:26,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:26,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:26,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1915347312, now seen corresponding path program 1 times [2024-11-23 11:30:26,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:26,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210814141] [2024-11-23 11:30:26,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:26,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:26,512 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:26,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:26,584 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:26,584 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:26,584 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:26,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:26,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:26,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:26,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:26,585 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:26,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 11:30:26,599 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:26,599 WARN L246 ceAbstractionStarter]: 17 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:26,599 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 18 thread instances. [2024-11-23 11:30:26,745 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-23 11:30:26,755 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:26,827 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:26,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:26,830 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:26,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:27,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:27,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash -749269167, now seen corresponding path program 1 times [2024-11-23 11:30:27,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:27,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704238463] [2024-11-23 11:30:27,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:27,616 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:27,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:27,676 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:27,677 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:27,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:27,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:27,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:27,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:27,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:27,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:27,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 11:30:27,681 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:27,682 WARN L246 ceAbstractionStarter]: 18 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:27,682 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 19 thread instances. [2024-11-23 11:30:27,862 INFO L143 ThreadInstanceAdder]: Constructed 19 joinOtherThreadTransitions. [2024-11-23 11:30:27,870 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:27,945 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:27,945 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:27,945 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:27,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:28,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:28,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:28,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2141198347, now seen corresponding path program 1 times [2024-11-23 11:30:28,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:28,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436622031] [2024-11-23 11:30:28,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:28,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:28,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:28,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:28,665 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:28,665 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:28,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:28,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:28,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:28,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:28,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:28,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:28,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 11:30:28,671 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:28,672 WARN L246 ceAbstractionStarter]: 19 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:28,672 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 20 thread instances. [2024-11-23 11:30:28,800 INFO L143 ThreadInstanceAdder]: Constructed 20 joinOtherThreadTransitions. [2024-11-23 11:30:28,809 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:28,883 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:28,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:28,884 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:28,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:29,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:29,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:29,790 INFO L85 PathProgramCache]: Analyzing trace with hash -89130244, now seen corresponding path program 1 times [2024-11-23 11:30:29,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:29,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709813762] [2024-11-23 11:30:29,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:29,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:29,847 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:29,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:29,911 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:29,911 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:29,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:29,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:29,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:29,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:29,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:29,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:29,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 11:30:29,917 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:29,917 WARN L246 ceAbstractionStarter]: 20 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:29,918 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 21 thread instances. [2024-11-23 11:30:30,042 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2024-11-23 11:30:30,051 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:30,122 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:30,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:30,124 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:30,124 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:30,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:30,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:30,961 INFO L85 PathProgramCache]: Analyzing trace with hash -63218970, now seen corresponding path program 1 times [2024-11-23 11:30:30,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:30,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517761529] [2024-11-23 11:30:30,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:30,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:31,023 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:31,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:31,092 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:31,092 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:31,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:31,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:31,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:31,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:31,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:31,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:31,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 11:30:31,098 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:31,099 WARN L246 ceAbstractionStarter]: 21 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:31,099 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 22 thread instances. [2024-11-23 11:30:31,227 INFO L143 ThreadInstanceAdder]: Constructed 22 joinOtherThreadTransitions. [2024-11-23 11:30:31,235 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:31,312 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:31,312 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:31,312 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:31,313 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:32,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:32,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:32,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1076550195, now seen corresponding path program 1 times [2024-11-23 11:30:32,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:32,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899307474] [2024-11-23 11:30:32,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:32,279 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:32,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:32,355 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:32,356 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:32,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 11:30:32,363 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:32,364 WARN L246 ceAbstractionStarter]: 22 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:32,364 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 23 thread instances. [2024-11-23 11:30:32,543 INFO L143 ThreadInstanceAdder]: Constructed 23 joinOtherThreadTransitions. [2024-11-23 11:30:32,558 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:32,649 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:32,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:32,651 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:32,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:33,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:33,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:33,915 INFO L85 PathProgramCache]: Analyzing trace with hash -807662749, now seen corresponding path program 1 times [2024-11-23 11:30:33,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:33,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059805358] [2024-11-23 11:30:33,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:33,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:34,000 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:34,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:34,088 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:34,088 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:34,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:34,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:34,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:34,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:34,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:34,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:34,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 11:30:34,095 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:34,096 WARN L246 ceAbstractionStarter]: 23 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:34,096 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 24 thread instances. [2024-11-23 11:30:34,259 INFO L143 ThreadInstanceAdder]: Constructed 24 joinOtherThreadTransitions. [2024-11-23 11:30:34,267 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:34,351 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:34,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:34,353 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:34,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:35,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:35,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -270450442, now seen corresponding path program 1 times [2024-11-23 11:30:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:35,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563983206] [2024-11-23 11:30:35,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:35,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:35,508 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:35,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:35,573 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:35,574 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:35,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:35,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:35,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:35,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:35,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:35,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:35,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 11:30:35,582 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:35,582 WARN L246 ceAbstractionStarter]: 24 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:35,582 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 25 thread instances. [2024-11-23 11:30:35,725 INFO L143 ThreadInstanceAdder]: Constructed 25 joinOtherThreadTransitions. [2024-11-23 11:30:35,733 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:35,825 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:35,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:35,829 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:35,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:36,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:36,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:36,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1392407188, now seen corresponding path program 1 times [2024-11-23 11:30:36,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:36,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769430890] [2024-11-23 11:30:36,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:36,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:37,097 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:37,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:37,169 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:37,169 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:37,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:37,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:37,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:37,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:37,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:37,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:37,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 11:30:37,178 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:37,179 WARN L246 ceAbstractionStarter]: 25 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:37,179 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 26 thread instances. [2024-11-23 11:30:37,334 INFO L143 ThreadInstanceAdder]: Constructed 26 joinOtherThreadTransitions. [2024-11-23 11:30:37,343 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:37,434 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:37,435 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:37,435 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:37,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:38,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:38,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:38,582 INFO L85 PathProgramCache]: Analyzing trace with hash 154714949, now seen corresponding path program 1 times [2024-11-23 11:30:38,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:38,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543739294] [2024-11-23 11:30:38,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:38,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:38,643 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:38,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:38,906 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:38,906 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:38,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:38,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:38,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:38,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:38,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:38,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:38,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 11:30:38,916 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:38,918 WARN L246 ceAbstractionStarter]: 26 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:38,918 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 27 thread instances. [2024-11-23 11:30:39,075 INFO L143 ThreadInstanceAdder]: Constructed 27 joinOtherThreadTransitions. [2024-11-23 11:30:39,083 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:39,175 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:39,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:39,177 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:39,177 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:40,609 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:40,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:40,610 INFO L85 PathProgramCache]: Analyzing trace with hash -927501055, now seen corresponding path program 1 times [2024-11-23 11:30:40,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:40,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355654433] [2024-11-23 11:30:40,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:40,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:40,676 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:40,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:40,744 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:40,744 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:40,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:40,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:40,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:40,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:40,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:40,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:40,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 11:30:40,754 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:40,754 WARN L246 ceAbstractionStarter]: 27 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:40,754 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 28 thread instances. [2024-11-23 11:30:41,074 INFO L143 ThreadInstanceAdder]: Constructed 28 joinOtherThreadTransitions. [2024-11-23 11:30:41,085 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:41,197 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:41,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:41,198 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:41,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:42,725 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:42,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:42,725 INFO L85 PathProgramCache]: Analyzing trace with hash -555551456, now seen corresponding path program 1 times [2024-11-23 11:30:42,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:42,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46541104] [2024-11-23 11:30:42,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:42,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:42,815 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:42,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:42,910 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:42,910 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:42,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:42,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:42,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:42,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:42,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:42,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:42,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 11:30:42,921 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:42,921 WARN L246 ceAbstractionStarter]: 28 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:42,921 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 29 thread instances. [2024-11-23 11:30:43,124 INFO L143 ThreadInstanceAdder]: Constructed 29 joinOtherThreadTransitions. [2024-11-23 11:30:43,136 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:43,243 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:43,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:43,244 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:43,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:44,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:44,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:44,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2069190178, now seen corresponding path program 1 times [2024-11-23 11:30:44,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:44,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911424421] [2024-11-23 11:30:44,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:44,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:44,980 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:45,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:45,052 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:45,052 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:45,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:45,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:45,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:45,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:45,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:45,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:45,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 11:30:45,063 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:45,063 WARN L246 ceAbstractionStarter]: 29 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:45,064 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 30 thread instances. [2024-11-23 11:30:45,232 INFO L143 ThreadInstanceAdder]: Constructed 30 joinOtherThreadTransitions. [2024-11-23 11:30:45,240 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:45,347 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:45,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:45,347 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:45,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:47,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:47,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:47,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1227003257, now seen corresponding path program 1 times [2024-11-23 11:30:47,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:47,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093675500] [2024-11-23 11:30:47,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:47,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:47,301 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:47,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:47,377 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:47,377 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:47,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:47,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:47,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:47,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:47,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:47,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:47,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 11:30:47,389 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:47,389 WARN L246 ceAbstractionStarter]: 30 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:47,389 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 31 thread instances. [2024-11-23 11:30:47,560 INFO L143 ThreadInstanceAdder]: Constructed 31 joinOtherThreadTransitions. [2024-11-23 11:30:47,576 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:47,685 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:47,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:47,686 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:47,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:49,819 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:49,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:49,820 INFO L85 PathProgramCache]: Analyzing trace with hash -528562993, now seen corresponding path program 1 times [2024-11-23 11:30:49,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:49,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508247899] [2024-11-23 11:30:49,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:49,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:49,888 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:49,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:49,970 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:49,971 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:49,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:49,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:49,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:49,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 11:30:49,984 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:49,984 WARN L246 ceAbstractionStarter]: 31 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:49,984 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 32 thread instances. [2024-11-23 11:30:50,158 INFO L143 ThreadInstanceAdder]: Constructed 32 joinOtherThreadTransitions. [2024-11-23 11:30:50,167 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:50,277 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:50,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:50,280 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:50,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:53,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:53,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:53,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1785837434, now seen corresponding path program 1 times [2024-11-23 11:30:53,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:53,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062494401] [2024-11-23 11:30:53,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:53,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:53,287 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:53,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:53,398 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:53,398 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:53,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:53,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:53,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:53,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:53,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:53,398 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:53,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 11:30:53,411 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:53,411 WARN L246 ceAbstractionStarter]: 32 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:53,411 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 33 thread instances. [2024-11-23 11:30:53,646 INFO L143 ThreadInstanceAdder]: Constructed 33 joinOtherThreadTransitions. [2024-11-23 11:30:53,658 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:53,781 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:53,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:53,782 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:53,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:56,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:56,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:56,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1998804232, now seen corresponding path program 1 times [2024-11-23 11:30:56,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:56,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783984025] [2024-11-23 11:30:56,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:56,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:56,933 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:57,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:57,053 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:57,053 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:57,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:57,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:57,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:57,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:57,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:57,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:57,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-23 11:30:57,068 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:57,068 WARN L246 ceAbstractionStarter]: 33 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:57,068 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 34 thread instances. [2024-11-23 11:30:57,298 INFO L143 ThreadInstanceAdder]: Constructed 34 joinOtherThreadTransitions. [2024-11-23 11:30:57,308 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:57,425 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:57,425 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:57,426 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:57,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:30:59,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:30:59,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:59,454 INFO L85 PathProgramCache]: Analyzing trace with hash 104165369, now seen corresponding path program 1 times [2024-11-23 11:30:59,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:59,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822581514] [2024-11-23 11:30:59,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:59,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:59,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:30:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:59,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:30:59,617 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:30:59,617 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:30:59,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:30:59,617 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:30:59,618 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:30:59,618 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:30:59,618 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:30:59,618 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:30:59,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-23 11:30:59,631 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:30:59,632 WARN L246 ceAbstractionStarter]: 34 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:30:59,632 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 35 thread instances. [2024-11-23 11:30:59,816 INFO L143 ThreadInstanceAdder]: Constructed 35 joinOtherThreadTransitions. [2024-11-23 11:30:59,824 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:59,935 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:59,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:59,936 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:59,936 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:03,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:03,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1048667443, now seen corresponding path program 1 times [2024-11-23 11:31:03,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:03,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561425012] [2024-11-23 11:31:03,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:03,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:03,483 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:03,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:03,574 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:03,574 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:03,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:03,574 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:03,575 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:03,575 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:03,575 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:03,575 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:03,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-23 11:31:03,588 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:03,589 WARN L246 ceAbstractionStarter]: 35 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:03,589 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 36 thread instances. [2024-11-23 11:31:03,781 INFO L143 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2024-11-23 11:31:03,792 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:03,909 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:03,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:03,909 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:03,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:07,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:07,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1779050500, now seen corresponding path program 1 times [2024-11-23 11:31:07,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:07,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211105587] [2024-11-23 11:31:07,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:07,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:07,540 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:07,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:07,639 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:07,639 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:07,639 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:07,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:07,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:07,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:07,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:07,640 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:07,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-23 11:31:07,654 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:07,655 WARN L246 ceAbstractionStarter]: 36 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:07,655 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 37 thread instances. [2024-11-23 11:31:07,868 INFO L143 ThreadInstanceAdder]: Constructed 37 joinOtherThreadTransitions. [2024-11-23 11:31:07,881 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:08,005 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:08,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:08,006 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:08,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:13,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:13,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:13,172 INFO L85 PathProgramCache]: Analyzing trace with hash -451401186, now seen corresponding path program 1 times [2024-11-23 11:31:13,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:13,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500998901] [2024-11-23 11:31:13,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:13,281 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:13,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:13,395 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:13,395 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:13,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:13,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:13,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:13,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:13,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:13,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:13,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-23 11:31:13,413 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:13,413 WARN L246 ceAbstractionStarter]: 37 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:13,413 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 38 thread instances. [2024-11-23 11:31:13,632 INFO L143 ThreadInstanceAdder]: Constructed 38 joinOtherThreadTransitions. [2024-11-23 11:31:13,644 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:13,792 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:13,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:13,792 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:13,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:18,033 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:18,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:18,034 INFO L85 PathProgramCache]: Analyzing trace with hash -383945829, now seen corresponding path program 1 times [2024-11-23 11:31:18,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:18,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619176895] [2024-11-23 11:31:18,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:18,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:18,148 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:18,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:18,279 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:18,279 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:18,279 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:18,279 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:18,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:18,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:18,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:18,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:18,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-23 11:31:18,297 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:18,297 WARN L246 ceAbstractionStarter]: 38 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:18,297 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 39 thread instances. [2024-11-23 11:31:18,551 INFO L143 ThreadInstanceAdder]: Constructed 39 joinOtherThreadTransitions. [2024-11-23 11:31:18,563 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:18,717 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:18,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:18,717 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:18,718 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:23,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:23,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:23,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1254332155, now seen corresponding path program 1 times [2024-11-23 11:31:23,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:23,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363489997] [2024-11-23 11:31:23,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:23,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:23,492 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:23,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:23,593 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:23,594 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:23,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:23,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:23,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:23,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:23,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:23,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:23,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-23 11:31:23,608 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:23,608 WARN L246 ceAbstractionStarter]: 39 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:23,608 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 40 thread instances. [2024-11-23 11:31:23,789 INFO L143 ThreadInstanceAdder]: Constructed 40 joinOtherThreadTransitions. [2024-11-23 11:31:23,795 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:23,941 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:23,942 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:23,942 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:23,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:28,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:28,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:28,781 INFO L85 PathProgramCache]: Analyzing trace with hash -370612546, now seen corresponding path program 1 times [2024-11-23 11:31:28,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:28,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412121525] [2024-11-23 11:31:28,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:28,878 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:28,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:28,987 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:28,987 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:28,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:28,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:28,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:28,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:28,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:28,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:28,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-23 11:31:29,006 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:29,006 WARN L246 ceAbstractionStarter]: 40 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:29,006 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 41 thread instances. [2024-11-23 11:31:29,193 INFO L143 ThreadInstanceAdder]: Constructed 41 joinOtherThreadTransitions. [2024-11-23 11:31:29,199 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:29,328 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:29,328 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:29,328 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:29,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:34,735 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:34,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:34,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1050703204, now seen corresponding path program 1 times [2024-11-23 11:31:34,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:34,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316219721] [2024-11-23 11:31:34,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:34,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:34,834 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:34,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:34,944 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:34,945 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:34,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:34,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:34,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:34,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:34,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:34,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:34,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-23 11:31:34,963 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:34,964 WARN L246 ceAbstractionStarter]: 41 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:34,964 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 42 thread instances. [2024-11-23 11:31:35,141 INFO L143 ThreadInstanceAdder]: Constructed 42 joinOtherThreadTransitions. [2024-11-23 11:31:35,149 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:35,295 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:35,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:35,296 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:35,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:40,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:40,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:40,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2043538067, now seen corresponding path program 1 times [2024-11-23 11:31:40,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:40,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112345081] [2024-11-23 11:31:40,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:40,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:40,548 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:40,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:40,695 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:40,695 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:40,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:40,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:40,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:40,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:40,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:40,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:40,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-23 11:31:40,716 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:40,718 WARN L246 ceAbstractionStarter]: 42 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:40,718 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 43 thread instances. [2024-11-23 11:31:41,118 INFO L143 ThreadInstanceAdder]: Constructed 43 joinOtherThreadTransitions. [2024-11-23 11:31:41,125 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:41,264 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:41,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:41,264 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:41,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:47,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:47,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:47,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1877321383, now seen corresponding path program 1 times [2024-11-23 11:31:47,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:47,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441141634] [2024-11-23 11:31:47,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:47,710 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:47,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:47,861 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:47,861 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:47,861 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:47,861 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:47,861 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:47,861 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:47,861 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:47,862 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:47,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-23 11:31:47,878 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:47,878 WARN L246 ceAbstractionStarter]: 43 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:47,878 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 44 thread instances. [2024-11-23 11:31:48,157 INFO L143 ThreadInstanceAdder]: Constructed 44 joinOtherThreadTransitions. [2024-11-23 11:31:48,172 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:48,332 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:48,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:48,332 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:48,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 11:31:55,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2024-11-23 11:31:55,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash 722113448, now seen corresponding path program 1 times [2024-11-23 11:31:55,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:55,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770856122] [2024-11-23 11:31:55,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:31:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:55,317 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 11:31:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:31:55,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 11:31:55,442 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 11:31:55,442 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-23 11:31:55,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2024-11-23 11:31:55,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2024-11-23 11:31:55,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2024-11-23 11:31:55,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2024-11-23 11:31:55,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2024-11-23 11:31:55,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 11:31:55,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-23 11:31:55,463 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 11:31:55,464 WARN L246 ceAbstractionStarter]: 44 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-23 11:31:55,464 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 45 thread instances. [2024-11-23 11:31:55,664 INFO L143 ThreadInstanceAdder]: Constructed 45 joinOtherThreadTransitions. [2024-11-23 11:31:55,674 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:55,823 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:31:55,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:31:55,824 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54ce0d19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:31:55,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations.