./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix014.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix014.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:35,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:35,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:56:35,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:35,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:35,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:35,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:35,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:35,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:56:35,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:56:35,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:35,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:35,390 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:35,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:35,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:56:35,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:56:35,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:35,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:56:35,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:35,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:56:35,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:56:35,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:56:35,397 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:56:35,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:35,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:56:35,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:35,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:35,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:35,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:35,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:56:35,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:35,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:35,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:56:35,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:56:35,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:35,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:56:35,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:56:35,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:56:35,407 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:56:35,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:56:35,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:56:35,408 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 615dc0a4278e77a094a63ed4629507c6f8d1cda73abba57cd69e8912d83fe5fd [2023-11-26 11:56:35,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:35,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:35,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:35,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:35,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:35,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/mix014.opt.i [2023-11-26 11:56:38,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:39,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:39,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/sv-benchmarks/c/pthread-wmm/mix014.opt.i [2023-11-26 11:56:39,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/data/762ecf584/0d4c1362a8b64bc59e7922527379884b/FLAGc8afffe3c [2023-11-26 11:56:39,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/data/762ecf584/0d4c1362a8b64bc59e7922527379884b [2023-11-26 11:56:39,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:39,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:39,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:39,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:39,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:39,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:39" (1/1) ... [2023-11-26 11:56:39,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e7ccd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:39, skipping insertion in model container [2023-11-26 11:56:39,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:39" (1/1) ... [2023-11-26 11:56:39,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:40,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:40,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:40,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:40,277 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:40,278 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:40,286 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:40,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40 WrapperNode [2023-11-26 11:56:40,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:40,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:40,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:40,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:40,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,436 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 987 [2023-11-26 11:56:40,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:40,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:40,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:40,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:40,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:40,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:40,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:40,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:40,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (1/1) ... [2023-11-26 11:56:40,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:40,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:40,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:40,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78ed8d8c-2051-42aa-b002-e4aa35a944b0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:56:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:56:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:56:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:56:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:56:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:56:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 11:56:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 11:56:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 11:56:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 11:56:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:56:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:56:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:40,639 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:56:40,879 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:40,882 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:42,607 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:50,740 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:50,741 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:56:50,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:50 BoogieIcfgContainer [2023-11-26 11:56:50,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:50,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:56:50,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:56:50,752 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:56:50,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:39" (1/3) ... [2023-11-26 11:56:50,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23308371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:50, skipping insertion in model container [2023-11-26 11:56:50,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:40" (2/3) ... [2023-11-26 11:56:50,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23308371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:50, skipping insertion in model container [2023-11-26 11:56:50,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:50" (3/3) ... [2023-11-26 11:56:50,758 INFO L112 eAbstractionObserver]: Analyzing ICFG mix014.opt.i [2023-11-26 11:56:50,768 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:56:50,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:56:50,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 296 error locations. [2023-11-26 11:56:50,780 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:56:51,161 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:56:51,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 449 places, 439 transitions, 894 flow [2023-11-26 11:56:51,617 INFO L124 PetriNetUnfolderBase]: 3/435 cut-off events. [2023-11-26 11:56:51,617 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:56:51,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 435 events. 3/435 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2663 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 396. Up to 2 conditions per place. [2023-11-26 11:56:51,634 INFO L82 GeneralOperation]: Start removeDead. Operand has 449 places, 439 transitions, 894 flow [2023-11-26 11:56:51,669 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 445 places, 435 transitions, 882 flow [2023-11-26 11:56:51,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:56:51,688 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7737747d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:56:51,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 557 error locations. [2023-11-26 11:56:51,697 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:56:51,697 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2023-11-26 11:56:51,697 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:56:51,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:56:51,698 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:51,699 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 553 more)] === [2023-11-26 11:56:51,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:51,705 INFO L85 PathProgramCache]: Analyzing trace with hash -568380668, now seen corresponding path program 1 times [2023-11-26 11:56:51,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:51,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603605476] [2023-11-26 11:56:51,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:52,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:52,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603605476] [2023-11-26 11:56:52,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603605476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:52,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:52,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:56:52,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180711818] [2023-11-26 11:56:52,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:52,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:56:52,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:52,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:56:52,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:56:52,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 439 [2023-11-26 11:56:52,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 435 transitions, 882 flow. Second operand has 2 states, 2 states have (on average 120.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:52,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:56:52,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 439 [2023-11-26 11:56:52,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:05,631 INFO L124 PetriNetUnfolderBase]: 5755/20268 cut-off events. [2023-11-26 11:57:05,631 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2023-11-26 11:57:05,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28263 conditions, 20268 events. 5755/20268 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 257790 event pairs, 5755 based on Foata normal form. 1391/20544 useless extension candidates. Maximal degree in co-relation 28209. Up to 7780 conditions per place. [2023-11-26 11:57:05,853 INFO L140 encePairwiseOnDemand]: 142/439 looper letters, 22 selfloop transitions, 0 changer transitions 0/135 dead transitions. [2023-11-26 11:57:05,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 135 transitions, 326 flow [2023-11-26 11:57:05,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:57:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:57:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 557 transitions. [2023-11-26 11:57:05,879 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6343963553530751 [2023-11-26 11:57:05,880 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 557 transitions. [2023-11-26 11:57:05,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 557 transitions. [2023-11-26 11:57:05,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:05,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 557 transitions. [2023-11-26 11:57:05,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 278.5) internal successors, (557), 2 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 439.0) internal successors, (1317), 3 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,905 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 439.0) internal successors, (1317), 3 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,907 INFO L175 Difference]: Start difference. First operand has 445 places, 435 transitions, 882 flow. Second operand 2 states and 557 transitions. [2023-11-26 11:57:05,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 135 transitions, 326 flow [2023-11-26 11:57:05,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 135 transitions, 322 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:57:05,919 INFO L231 Difference]: Finished difference. Result has 145 places, 135 transitions, 278 flow [2023-11-26 11:57:05,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=278, PETRI_PLACES=145, PETRI_TRANSITIONS=135} [2023-11-26 11:57:05,926 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -300 predicate places. [2023-11-26 11:57:05,927 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 135 transitions, 278 flow [2023-11-26 11:57:05,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 120.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:05,928 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:05,928 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:05,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:57:05,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 553 more)] === [2023-11-26 11:57:05,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:05,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1999499728, now seen corresponding path program 1 times [2023-11-26 11:57:05,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:05,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373610019] [2023-11-26 11:57:05,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:06,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:06,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373610019] [2023-11-26 11:57:06,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373610019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:06,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:06,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:06,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007966323] [2023-11-26 11:57:06,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:06,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:06,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:06,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:06,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:06,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 439 [2023-11-26 11:57:06,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:06,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:06,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 439 [2023-11-26 11:57:06,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:20,172 INFO L124 PetriNetUnfolderBase]: 8763/27351 cut-off events. [2023-11-26 11:57:20,172 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:57:20,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39311 conditions, 27351 events. 8763/27351 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 681. Compared 335340 event pairs, 2747 based on Foata normal form. 0/25869 useless extension candidates. Maximal degree in co-relation 39308. Up to 7936 conditions per place. [2023-11-26 11:57:20,359 INFO L140 encePairwiseOnDemand]: 437/439 looper letters, 38 selfloop transitions, 1 changer transitions 0/149 dead transitions. [2023-11-26 11:57:20,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 149 transitions, 384 flow [2023-11-26 11:57:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:57:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:57:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2023-11-26 11:57:20,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29460895975702356 [2023-11-26 11:57:20,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2023-11-26 11:57:20,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2023-11-26 11:57:20,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:20,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2023-11-26 11:57:20,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:20,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 439.0) internal successors, (1756), 4 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:20,375 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 439.0) internal successors, (1756), 4 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:20,376 INFO L175 Difference]: Start difference. First operand has 145 places, 135 transitions, 278 flow. Second operand 3 states and 388 transitions. [2023-11-26 11:57:20,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 149 transitions, 384 flow [2023-11-26 11:57:20,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 149 transitions, 384 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:57:20,383 INFO L231 Difference]: Finished difference. Result has 146 places, 134 transitions, 278 flow [2023-11-26 11:57:20,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=439, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=146, PETRI_TRANSITIONS=134} [2023-11-26 11:57:20,388 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -299 predicate places. [2023-11-26 11:57:20,389 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 134 transitions, 278 flow [2023-11-26 11:57:20,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:20,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:20,390 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:20,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:57:20,392 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 553 more)] === [2023-11-26 11:57:20,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:20,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1585560617, now seen corresponding path program 1 times [2023-11-26 11:57:20,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:20,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104092337] [2023-11-26 11:57:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:20,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:20,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:20,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104092337] [2023-11-26 11:57:20,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104092337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:20,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:20,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:20,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467013529] [2023-11-26 11:57:20,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:20,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:20,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:20,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:20,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:20,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 439 [2023-11-26 11:57:20,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 134 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:20,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:20,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 439 [2023-11-26 11:57:20,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand