./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/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_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/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_f613333f-dbd0-4be0-b88b-52e54d6897f2/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 1ac00c9540bbc99a446c9cb6c02e180c3a0ad4fef3c182d14bafdc7ea871c54c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:49,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:49,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:46:49,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:49,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:49,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:49,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:49,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:49,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:46:49,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:46:49,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:49,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:49,306 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:49,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:49,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:46:49,309 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:49,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:46:49,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:49,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:49,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:46:49,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:46:49,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:46:49,313 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:46:49,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:46:49,314 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:49,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:49,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:49,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:49,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:49,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:46:49,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:49,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:49,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:46:49,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:46:49,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:46:49,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:46:49,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:46:49,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:46:49,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:46:49,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:46:49,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:46:49,323 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_f613333f-dbd0-4be0-b88b-52e54d6897f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ac00c9540bbc99a446c9cb6c02e180c3a0ad4fef3c182d14bafdc7ea871c54c [2023-11-26 11:46:49,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:49,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:49,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:49,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:49,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:49,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2023-11-26 11:46:52,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:46:53,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:46:53,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2023-11-26 11:46:53,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/data/d38ef35a5/f69292f7aff941b7a260de88205804cf/FLAGdd3891f1b [2023-11-26 11:46:53,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/data/d38ef35a5/f69292f7aff941b7a260de88205804cf [2023-11-26 11:46:53,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:46:53,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:46:53,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:53,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:46:53,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:46:53,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a22e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53, skipping insertion in model container [2023-11-26 11:46:53,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,215 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:46:53,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:53,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:46:53,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:53,489 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:46:53,490 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:46:53,498 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:46:53,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53 WrapperNode [2023-11-26 11:46:53,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:53,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:53,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:46:53,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:46:53,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,541 INFO L138 Inliner]: procedures = 22, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-26 11:46:53,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:53,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:46:53,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:46:53,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:46:53,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:46:53,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:46:53,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:46:53,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:46:53,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (1/1) ... [2023-11-26 11:46:53,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:53,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:53,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:53,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:46:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:46:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:46:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:46:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:46:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:46:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 11:46:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 11:46:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:46:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:46:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:46:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:46:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:46:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:46:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:46:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:46:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:46:53,692 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 11:46:53,853 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:46:53,855 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:46:54,395 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:46:54,467 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:46:54,467 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:46:54,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:54 BoogieIcfgContainer [2023-11-26 11:46:54,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:46:54,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:46:54,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:46:54,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:46:54,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:46:53" (1/3) ... [2023-11-26 11:46:54,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa7efb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:54, skipping insertion in model container [2023-11-26 11:46:54,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:53" (2/3) ... [2023-11-26 11:46:54,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa7efb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:54, skipping insertion in model container [2023-11-26 11:46:54,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:54" (3/3) ... [2023-11-26 11:46:54,503 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2023-11-26 11:46:54,515 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:46:54,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:46:54,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-11-26 11:46:54,527 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:46:54,635 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-26 11:46:54,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 256 places, 262 transitions, 545 flow [2023-11-26 11:46:54,859 INFO L124 PetriNetUnfolderBase]: 16/259 cut-off events. [2023-11-26 11:46:54,860 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 11:46:54,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 259 events. 16/259 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 536 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 164. Up to 4 conditions per place. [2023-11-26 11:46:54,872 INFO L82 GeneralOperation]: Start removeDead. Operand has 256 places, 262 transitions, 545 flow [2023-11-26 11:46:54,883 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 231 places, 236 transitions, 490 flow [2023-11-26 11:46:54,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:46:54,907 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;@1c8b7cb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:46:54,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-26 11:46:54,915 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:46:54,915 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-26 11:46:54,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:46:54,916 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:54,916 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] [2023-11-26 11:46:54,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:54,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1567748046, now seen corresponding path program 1 times [2023-11-26 11:46:54,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:54,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532686861] [2023-11-26 11:46:54,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:54,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:55,213 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 11:46:55,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:55,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532686861] [2023-11-26 11:46:55,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532686861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:55,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:55,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:55,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902421920] [2023-11-26 11:46:55,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:55,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:55,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:55,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:55,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:55,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-26 11:46:55,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 236 transitions, 490 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:55,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:55,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-26 11:46:55,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:55,699 INFO L124 PetriNetUnfolderBase]: 147/892 cut-off events. [2023-11-26 11:46:55,702 INFO L125 PetriNetUnfolderBase]: For 55/57 co-relation queries the response was YES. [2023-11-26 11:46:55,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 892 events. 147/892 cut-off events. For 55/57 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5236 event pairs, 47 based on Foata normal form. 51/761 useless extension candidates. Maximal degree in co-relation 902. Up to 159 conditions per place. [2023-11-26 11:46:55,722 INFO L140 encePairwiseOnDemand]: 244/262 looper letters, 19 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2023-11-26 11:46:55,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 220 transitions, 500 flow [2023-11-26 11:46:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-26 11:46:55,740 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-26 11:46:55,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-26 11:46:55,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-26 11:46:55,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:55,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-26 11:46:55,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 11:46:55,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:55,769 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:55,771 INFO L175 Difference]: Start difference. First operand has 231 places, 236 transitions, 490 flow. Second operand 3 states and 703 transitions. [2023-11-26 11:46:55,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 220 transitions, 500 flow [2023-11-26 11:46:55,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 220 transitions, 488 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-26 11:46:55,782 INFO L231 Difference]: Finished difference. Result has 214 places, 220 transitions, 450 flow [2023-11-26 11:46:55,785 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=214, PETRI_TRANSITIONS=220} [2023-11-26 11:46:55,788 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -17 predicate places. [2023-11-26 11:46:55,789 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 220 transitions, 450 flow [2023-11-26 11:46:55,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:55,790 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:55,790 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] [2023-11-26 11:46:55,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:46:55,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:55,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:55,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1888932948, now seen corresponding path program 1 times [2023-11-26 11:46:55,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:55,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774911160] [2023-11-26 11:46:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:55,851 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 11:46:55,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:55,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774911160] [2023-11-26 11:46:55,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774911160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:55,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:55,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:55,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449426990] [2023-11-26 11:46:55,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:55,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:55,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:55,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:55,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:55,884 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-26 11:46:55,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 220 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:55,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:55,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-26 11:46:55,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:56,087 INFO L124 PetriNetUnfolderBase]: 163/890 cut-off events. [2023-11-26 11:46:56,089 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2023-11-26 11:46:56,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 890 events. 163/890 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5061 event pairs, 55 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 1063. Up to 181 conditions per place. [2023-11-26 11:46:56,106 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 19 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2023-11-26 11:46:56,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 219 transitions, 490 flow [2023-11-26 11:46:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2023-11-26 11:46:56,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8753180661577609 [2023-11-26 11:46:56,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 688 transitions. [2023-11-26 11:46:56,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 688 transitions. [2023-11-26 11:46:56,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:56,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 688 transitions. [2023-11-26 11:46:56,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 11:46:56,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:56,120 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:56,120 INFO L175 Difference]: Start difference. First operand has 214 places, 220 transitions, 450 flow. Second operand 3 states and 688 transitions. [2023-11-26 11:46:56,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 219 transitions, 490 flow [2023-11-26 11:46:56,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 219 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:46:56,131 INFO L231 Difference]: Finished difference. Result has 213 places, 219 transitions, 448 flow [2023-11-26 11:46:56,133 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=213, PETRI_TRANSITIONS=219} [2023-11-26 11:46:56,134 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -18 predicate places. [2023-11-26 11:46:56,137 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 219 transitions, 448 flow [2023-11-26 11:46:56,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:56,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:56,139 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] [2023-11-26 11:46:56,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:46:56,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:56,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:56,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1415418324, now seen corresponding path program 1 times [2023-11-26 11:46:56,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:56,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773329971] [2023-11-26 11:46:56,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:56,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:56,244 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 11:46:56,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:56,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773329971] [2023-11-26 11:46:56,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773329971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:56,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:56,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:56,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388164843] [2023-11-26 11:46:56,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:56,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:56,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:56,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:56,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:56,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-26 11:46:56,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 219 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:56,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:56,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-26 11:46:56,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:56,421 INFO L124 PetriNetUnfolderBase]: 120/623 cut-off events. [2023-11-26 11:46:56,421 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2023-11-26 11:46:56,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 623 events. 120/623 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3225 event pairs, 47 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 748. Up to 146 conditions per place. [2023-11-26 11:46:56,431 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 19 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2023-11-26 11:46:56,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 218 transitions, 488 flow [2023-11-26 11:46:56,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2023-11-26 11:46:56,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8753180661577609 [2023-11-26 11:46:56,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 688 transitions. [2023-11-26 11:46:56,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 688 transitions. [2023-11-26 11:46:56,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:56,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 688 transitions. [2023-11-26 11:46:56,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 11:46:56,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:56,442 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:56,442 INFO L175 Difference]: Start difference. First operand has 213 places, 219 transitions, 448 flow. Second operand 3 states and 688 transitions. [2023-11-26 11:46:56,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 218 transitions, 488 flow [2023-11-26 11:46:56,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 218 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:46:56,448 INFO L231 Difference]: Finished difference. Result has 212 places, 218 transitions, 446 flow [2023-11-26 11:46:56,449 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=446, PETRI_PLACES=212, PETRI_TRANSITIONS=218} [2023-11-26 11:46:56,451 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -19 predicate places. [2023-11-26 11:46:56,451 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 218 transitions, 446 flow [2023-11-26 11:46:56,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:56,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:56,452 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] [2023-11-26 11:46:56,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:46:56,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:56,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:56,454 INFO L85 PathProgramCache]: Analyzing trace with hash -791631273, now seen corresponding path program 1 times [2023-11-26 11:46:56,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:56,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744579320] [2023-11-26 11:46:56,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:56,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:56,554 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 11:46:56,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:56,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744579320] [2023-11-26 11:46:56,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744579320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:56,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:56,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:56,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306633220] [2023-11-26 11:46:56,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:56,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:56,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:56,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:56,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:56,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-26 11:46:56,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 218 transitions, 446 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 11:46:56,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:56,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-26 11:46:56,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:56,736 INFO L124 PetriNetUnfolderBase]: 102/698 cut-off events. [2023-11-26 11:46:56,736 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-26 11:46:56,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 698 events. 102/698 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3597 event pairs, 31 based on Foata normal form. 0/555 useless extension candidates. Maximal degree in co-relation 788. Up to 110 conditions per place. [2023-11-26 11:46:56,747 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 17 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2023-11-26 11:46:56,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 217 transitions, 482 flow [2023-11-26 11:46:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:56,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2023-11-26 11:46:56,751 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8804071246819338 [2023-11-26 11:46:56,751 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2023-11-26 11:46:56,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2023-11-26 11:46:56,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:56,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2023-11-26 11:46:56,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 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 11:46:56,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:56,759 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:56,760 INFO L175 Difference]: Start difference. First operand has 212 places, 218 transitions, 446 flow. Second operand 3 states and 692 transitions. [2023-11-26 11:46:56,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 217 transitions, 482 flow [2023-11-26 11:46:56,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 217 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:46:56,766 INFO L231 Difference]: Finished difference. Result has 211 places, 217 transitions, 444 flow [2023-11-26 11:46:56,766 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=211, PETRI_TRANSITIONS=217} [2023-11-26 11:46:56,768 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -20 predicate places. [2023-11-26 11:46:56,769 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 217 transitions, 444 flow [2023-11-26 11:46:56,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 11:46:56,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:56,771 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] [2023-11-26 11:46:56,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:46:56,771 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:56,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:56,772 INFO L85 PathProgramCache]: Analyzing trace with hash 78721061, now seen corresponding path program 1 times [2023-11-26 11:46:56,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:56,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861057670] [2023-11-26 11:46:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:56,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:56,848 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 11:46:56,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:56,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861057670] [2023-11-26 11:46:56,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861057670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:56,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:56,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:56,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552829532] [2023-11-26 11:46:56,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:56,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:56,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:56,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-26 11:46:56,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 217 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 11:46:56,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:56,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-26 11:46:56,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:57,019 INFO L124 PetriNetUnfolderBase]: 121/773 cut-off events. [2023-11-26 11:46:57,020 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-26 11:46:57,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 773 events. 121/773 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4053 event pairs, 35 based on Foata normal form. 0/606 useless extension candidates. Maximal degree in co-relation 873. Up to 127 conditions per place. [2023-11-26 11:46:57,032 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 17 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-26 11:46:57,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 216 transitions, 480 flow [2023-11-26 11:46:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2023-11-26 11:46:57,036 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8804071246819338 [2023-11-26 11:46:57,036 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2023-11-26 11:46:57,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2023-11-26 11:46:57,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:57,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2023-11-26 11:46:57,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 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 11:46:57,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,043 INFO L175 Difference]: Start difference. First operand has 211 places, 217 transitions, 444 flow. Second operand 3 states and 692 transitions. [2023-11-26 11:46:57,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 216 transitions, 480 flow [2023-11-26 11:46:57,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 216 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:46:57,049 INFO L231 Difference]: Finished difference. Result has 210 places, 216 transitions, 442 flow [2023-11-26 11:46:57,049 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=210, PETRI_TRANSITIONS=216} [2023-11-26 11:46:57,052 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -21 predicate places. [2023-11-26 11:46:57,052 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 216 transitions, 442 flow [2023-11-26 11:46:57,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 11:46:57,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:57,054 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 11:46:57,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:46:57,054 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:57,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:57,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1915141014, now seen corresponding path program 1 times [2023-11-26 11:46:57,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:57,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219081106] [2023-11-26 11:46:57,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:57,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:57,109 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 11:46:57,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:57,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219081106] [2023-11-26 11:46:57,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219081106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:57,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:57,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625896598] [2023-11-26 11:46:57,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:57,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:57,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:57,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:57,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:57,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-26 11:46:57,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 216 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 11:46:57,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:57,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-26 11:46:57,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:57,255 INFO L124 PetriNetUnfolderBase]: 93/593 cut-off events. [2023-11-26 11:46:57,255 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2023-11-26 11:46:57,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 593 events. 93/593 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2987 event pairs, 31 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 662. Up to 105 conditions per place. [2023-11-26 11:46:57,263 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 17 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2023-11-26 11:46:57,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 215 transitions, 478 flow [2023-11-26 11:46:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2023-11-26 11:46:57,267 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8804071246819338 [2023-11-26 11:46:57,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2023-11-26 11:46:57,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2023-11-26 11:46:57,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:57,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2023-11-26 11:46:57,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 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 11:46:57,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,274 INFO L175 Difference]: Start difference. First operand has 210 places, 216 transitions, 442 flow. Second operand 3 states and 692 transitions. [2023-11-26 11:46:57,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 215 transitions, 478 flow [2023-11-26 11:46:57,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 215 transitions, 474 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:46:57,279 INFO L231 Difference]: Finished difference. Result has 209 places, 215 transitions, 440 flow [2023-11-26 11:46:57,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=440, PETRI_PLACES=209, PETRI_TRANSITIONS=215} [2023-11-26 11:46:57,281 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-26 11:46:57,281 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 215 transitions, 440 flow [2023-11-26 11:46:57,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 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 11:46:57,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:57,283 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] [2023-11-26 11:46:57,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:46:57,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:57,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:57,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1663092776, now seen corresponding path program 1 times [2023-11-26 11:46:57,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:57,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584033942] [2023-11-26 11:46:57,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:57,326 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 11:46:57,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:57,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584033942] [2023-11-26 11:46:57,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584033942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:57,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:57,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:57,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745727682] [2023-11-26 11:46:57,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:57,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:57,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:57,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:57,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:57,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 262 [2023-11-26 11:46:57,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 215 transitions, 440 flow. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 11:46:57,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:57,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 262 [2023-11-26 11:46:57,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:57,466 INFO L124 PetriNetUnfolderBase]: 109/648 cut-off events. [2023-11-26 11:46:57,467 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2023-11-26 11:46:57,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 648 events. 109/648 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3282 event pairs, 10 based on Foata normal form. 2/530 useless extension candidates. Maximal degree in co-relation 747. Up to 97 conditions per place. [2023-11-26 11:46:57,476 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 21 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2023-11-26 11:46:57,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 221 transitions, 500 flow [2023-11-26 11:46:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:57,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2023-11-26 11:46:57,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9007633587786259 [2023-11-26 11:46:57,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2023-11-26 11:46:57,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2023-11-26 11:46:57,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:57,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2023-11-26 11:46:57,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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 11:46:57,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,487 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,487 INFO L175 Difference]: Start difference. First operand has 209 places, 215 transitions, 440 flow. Second operand 3 states and 708 transitions. [2023-11-26 11:46:57,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 221 transitions, 500 flow [2023-11-26 11:46:57,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 221 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:46:57,493 INFO L231 Difference]: Finished difference. Result has 209 places, 215 transitions, 444 flow [2023-11-26 11:46:57,494 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=209, PETRI_TRANSITIONS=215} [2023-11-26 11:46:57,494 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-26 11:46:57,495 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 215 transitions, 444 flow [2023-11-26 11:46:57,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 11:46:57,496 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:57,496 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] [2023-11-26 11:46:57,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:46:57,496 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:57,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:57,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1546554845, now seen corresponding path program 1 times [2023-11-26 11:46:57,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:57,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035513422] [2023-11-26 11:46:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:57,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:57,541 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 11:46:57,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:57,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035513422] [2023-11-26 11:46:57,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035513422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:57,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:57,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:57,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345881278] [2023-11-26 11:46:57,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:57,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:57,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:57,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:57,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:57,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-26 11:46:57,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 215 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:57,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:57,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-26 11:46:57,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:57,730 INFO L124 PetriNetUnfolderBase]: 184/848 cut-off events. [2023-11-26 11:46:57,730 INFO L125 PetriNetUnfolderBase]: For 22/28 co-relation queries the response was YES. [2023-11-26 11:46:57,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1139 conditions, 848 events. 184/848 cut-off events. For 22/28 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4691 event pairs, 15 based on Foata normal form. 2/717 useless extension candidates. Maximal degree in co-relation 1021. Up to 171 conditions per place. [2023-11-26 11:46:57,743 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 27 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2023-11-26 11:46:57,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 222 transitions, 523 flow [2023-11-26 11:46:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-26 11:46:57,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-26 11:46:57,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-26 11:46:57,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-26 11:46:57,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:57,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-26 11:46:57,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 11:46:57,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:57,753 INFO L175 Difference]: Start difference. First operand has 209 places, 215 transitions, 444 flow. Second operand 3 states and 699 transitions. [2023-11-26 11:46:57,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 222 transitions, 523 flow [2023-11-26 11:46:57,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 222 transitions, 521 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:46:57,760 INFO L231 Difference]: Finished difference. Result has 208 places, 213 transitions, 449 flow [2023-11-26 11:46:57,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=449, PETRI_PLACES=208, PETRI_TRANSITIONS=213} [2023-11-26 11:46:57,761 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-26 11:46:57,761 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 213 transitions, 449 flow [2023-11-26 11:46:57,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 11:46:57,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:57,762 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] [2023-11-26 11:46:57,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:46:57,763 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:57,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:57,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1710129736, now seen corresponding path program 1 times [2023-11-26 11:46:57,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:57,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328260153] [2023-11-26 11:46:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:57,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:57,806 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 11:46:57,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:57,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328260153] [2023-11-26 11:46:57,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328260153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:57,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:57,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:57,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533730019] [2023-11-26 11:46:57,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:57,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:57,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:57,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:57,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:57,822 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 262 [2023-11-26 11:46:57,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 213 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 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 11:46:57,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:57,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 262 [2023-11-26 11:46:57,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:58,111 INFO L124 PetriNetUnfolderBase]: 204/1293 cut-off events. [2023-11-26 11:46:58,111 INFO L125 PetriNetUnfolderBase]: For 29/33 co-relation queries the response was YES. [2023-11-26 11:46:58,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1534 conditions, 1293 events. 204/1293 cut-off events. For 29/33 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8470 event pairs, 34 based on Foata normal form. 0/1022 useless extension candidates. Maximal degree in co-relation 1094. Up to 146 conditions per place. [2023-11-26 11:46:58,137 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 21 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2023-11-26 11:46:58,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 219 transitions, 509 flow [2023-11-26 11:46:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2023-11-26 11:46:58,141 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9007633587786259 [2023-11-26 11:46:58,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2023-11-26 11:46:58,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2023-11-26 11:46:58,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:58,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2023-11-26 11:46:58,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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 11:46:58,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:58,148 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:58,148 INFO L175 Difference]: Start difference. First operand has 208 places, 213 transitions, 449 flow. Second operand 3 states and 708 transitions. [2023-11-26 11:46:58,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 219 transitions, 509 flow [2023-11-26 11:46:58,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 219 transitions, 506 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:46:58,154 INFO L231 Difference]: Finished difference. Result has 209 places, 213 transitions, 454 flow [2023-11-26 11:46:58,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=209, PETRI_TRANSITIONS=213} [2023-11-26 11:46:58,156 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-26 11:46:58,156 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 213 transitions, 454 flow [2023-11-26 11:46:58,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 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 11:46:58,157 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:58,157 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] [2023-11-26 11:46:58,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:46:58,157 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:58,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:58,158 INFO L85 PathProgramCache]: Analyzing trace with hash 427862666, now seen corresponding path program 1 times [2023-11-26 11:46:58,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:58,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349313111] [2023-11-26 11:46:58,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:58,238 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 11:46:58,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:58,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349313111] [2023-11-26 11:46:58,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349313111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:58,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:58,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:58,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658561710] [2023-11-26 11:46:58,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:58,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:58,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:58,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:58,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:58,270 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-26 11:46:58,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 213 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 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 11:46:58,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:58,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-26 11:46:58,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:58,488 INFO L124 PetriNetUnfolderBase]: 290/1131 cut-off events. [2023-11-26 11:46:58,489 INFO L125 PetriNetUnfolderBase]: For 62/66 co-relation queries the response was YES. [2023-11-26 11:46:58,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1563 conditions, 1131 events. 290/1131 cut-off events. For 62/66 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6847 event pairs, 20 based on Foata normal form. 2/946 useless extension candidates. Maximal degree in co-relation 1096. Up to 274 conditions per place. [2023-11-26 11:46:58,504 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 26 selfloop transitions, 3 changer transitions 0/219 dead transitions. [2023-11-26 11:46:58,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 219 transitions, 528 flow [2023-11-26 11:46:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 698 transitions. [2023-11-26 11:46:58,508 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8880407124681934 [2023-11-26 11:46:58,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 698 transitions. [2023-11-26 11:46:58,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 698 transitions. [2023-11-26 11:46:58,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:58,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 698 transitions. [2023-11-26 11:46:58,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 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 11:46:58,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:58,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:58,515 INFO L175 Difference]: Start difference. First operand has 209 places, 213 transitions, 454 flow. Second operand 3 states and 698 transitions. [2023-11-26 11:46:58,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 219 transitions, 528 flow [2023-11-26 11:46:58,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 219 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:46:58,523 INFO L231 Difference]: Finished difference. Result has 208 places, 211 transitions, 459 flow [2023-11-26 11:46:58,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=208, PETRI_TRANSITIONS=211} [2023-11-26 11:46:58,525 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-26 11:46:58,525 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 211 transitions, 459 flow [2023-11-26 11:46:58,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 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 11:46:58,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:58,526 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] [2023-11-26 11:46:58,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:46:58,527 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:58,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:58,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1158145882, now seen corresponding path program 1 times [2023-11-26 11:46:58,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:58,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766072237] [2023-11-26 11:46:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:58,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:58,605 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 11:46:58,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:58,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766072237] [2023-11-26 11:46:58,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766072237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:58,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:58,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:58,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997589016] [2023-11-26 11:46:58,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:58,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:58,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:58,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:58,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:58,632 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-26 11:46:58,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 211 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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 11:46:58,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:58,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-26 11:46:58,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:58,847 INFO L124 PetriNetUnfolderBase]: 202/1062 cut-off events. [2023-11-26 11:46:58,847 INFO L125 PetriNetUnfolderBase]: For 39/41 co-relation queries the response was YES. [2023-11-26 11:46:58,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1399 conditions, 1062 events. 202/1062 cut-off events. For 39/41 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6407 event pairs, 62 based on Foata normal form. 0/890 useless extension candidates. Maximal degree in co-relation 1141. Up to 204 conditions per place. [2023-11-26 11:46:58,860 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 25 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-26 11:46:58,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 216 transitions, 525 flow [2023-11-26 11:46:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-26 11:46:58,864 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-26 11:46:58,865 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-26 11:46:58,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-26 11:46:58,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:58,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-26 11:46:58,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 11:46:58,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:58,871 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:58,871 INFO L175 Difference]: Start difference. First operand has 208 places, 211 transitions, 459 flow. Second operand 3 states and 699 transitions. [2023-11-26 11:46:58,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 216 transitions, 525 flow [2023-11-26 11:46:58,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 216 transitions, 522 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:46:58,878 INFO L231 Difference]: Finished difference. Result has 208 places, 210 transitions, 458 flow [2023-11-26 11:46:58,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=208, PETRI_TRANSITIONS=210} [2023-11-26 11:46:58,881 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-26 11:46:58,881 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 210 transitions, 458 flow [2023-11-26 11:46:58,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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 11:46:58,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:58,882 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] [2023-11-26 11:46:58,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:46:58,882 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:58,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:58,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1857917946, now seen corresponding path program 1 times [2023-11-26 11:46:58,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:58,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858528435] [2023-11-26 11:46:58,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:58,957 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 11:46:58,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:58,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858528435] [2023-11-26 11:46:58,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858528435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:58,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:58,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:58,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706197505] [2023-11-26 11:46:58,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:58,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:58,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:58,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:58,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:58,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 262 [2023-11-26 11:46:58,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 210 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 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 11:46:58,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:58,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 262 [2023-11-26 11:46:58,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:59,163 INFO L124 PetriNetUnfolderBase]: 156/988 cut-off events. [2023-11-26 11:46:59,164 INFO L125 PetriNetUnfolderBase]: For 45/53 co-relation queries the response was YES. [2023-11-26 11:46:59,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 988 events. 156/988 cut-off events. For 45/53 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5807 event pairs, 30 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 857. Up to 132 conditions per place. [2023-11-26 11:46:59,175 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 21 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-11-26 11:46:59,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 216 transitions, 518 flow [2023-11-26 11:46:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2023-11-26 11:46:59,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9007633587786259 [2023-11-26 11:46:59,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2023-11-26 11:46:59,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2023-11-26 11:46:59,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:59,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2023-11-26 11:46:59,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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 11:46:59,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:59,185 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:59,185 INFO L175 Difference]: Start difference. First operand has 208 places, 210 transitions, 458 flow. Second operand 3 states and 708 transitions. [2023-11-26 11:46:59,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 216 transitions, 518 flow [2023-11-26 11:46:59,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 216 transitions, 514 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:46:59,192 INFO L231 Difference]: Finished difference. Result has 208 places, 210 transitions, 462 flow [2023-11-26 11:46:59,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=208, PETRI_TRANSITIONS=210} [2023-11-26 11:46:59,194 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -23 predicate places. [2023-11-26 11:46:59,195 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 210 transitions, 462 flow [2023-11-26 11:46:59,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 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 11:46:59,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:59,197 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] [2023-11-26 11:46:59,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:46:59,197 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:59,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:59,198 INFO L85 PathProgramCache]: Analyzing trace with hash 10821641, now seen corresponding path program 1 times [2023-11-26 11:46:59,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:59,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674229845] [2023-11-26 11:46:59,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:59,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:59,247 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 11:46:59,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:59,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674229845] [2023-11-26 11:46:59,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674229845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:59,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:59,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:59,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218393923] [2023-11-26 11:46:59,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:59,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:59,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:59,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:59,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:59,268 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2023-11-26 11:46:59,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 210 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 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 11:46:59,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:46:59,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2023-11-26 11:46:59,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:46:59,488 INFO L124 PetriNetUnfolderBase]: 236/1076 cut-off events. [2023-11-26 11:46:59,488 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2023-11-26 11:46:59,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1076 events. 236/1076 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7017 event pairs, 54 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 1009. Up to 252 conditions per place. [2023-11-26 11:46:59,500 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 25 selfloop transitions, 3 changer transitions 0/215 dead transitions. [2023-11-26 11:46:59,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 215 transitions, 531 flow [2023-11-26 11:46:59,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:46:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2023-11-26 11:46:59,503 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8867684478371501 [2023-11-26 11:46:59,503 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 697 transitions. [2023-11-26 11:46:59,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 697 transitions. [2023-11-26 11:46:59,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:46:59,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 697 transitions. [2023-11-26 11:46:59,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 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 11:46:59,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:59,510 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:46:59,510 INFO L175 Difference]: Start difference. First operand has 208 places, 210 transitions, 462 flow. Second operand 3 states and 697 transitions. [2023-11-26 11:46:59,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 215 transitions, 531 flow [2023-11-26 11:46:59,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 215 transitions, 529 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:46:59,516 INFO L231 Difference]: Finished difference. Result has 207 places, 208 transitions, 467 flow [2023-11-26 11:46:59,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=207, PETRI_TRANSITIONS=208} [2023-11-26 11:46:59,518 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -24 predicate places. [2023-11-26 11:46:59,518 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 208 transitions, 467 flow [2023-11-26 11:46:59,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 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 11:46:59,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:46:59,519 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] [2023-11-26 11:46:59,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:46:59,519 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:46:59,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:59,520 INFO L85 PathProgramCache]: Analyzing trace with hash -208888907, now seen corresponding path program 1 times [2023-11-26 11:46:59,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:59,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659399277] [2023-11-26 11:46:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:59,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:59,974 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 11:46:59,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:59,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659399277] [2023-11-26 11:46:59,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659399277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:59,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:59,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:46:59,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019536476] [2023-11-26 11:46:59,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:59,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:46:59,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:59,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:46:59,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:00,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 262 [2023-11-26 11:47:00,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 208 transitions, 467 flow. Second operand has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 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 11:47:00,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:00,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 262 [2023-11-26 11:47:00,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:00,523 INFO L124 PetriNetUnfolderBase]: 272/1236 cut-off events. [2023-11-26 11:47:00,523 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-26 11:47:00,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1706 conditions, 1236 events. 272/1236 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7688 event pairs, 22 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 1483. Up to 144 conditions per place. [2023-11-26 11:47:00,544 INFO L140 encePairwiseOnDemand]: 257/262 looper letters, 39 selfloop transitions, 4 changer transitions 0/231 dead transitions. [2023-11-26 11:47:00,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 231 transitions, 599 flow [2023-11-26 11:47:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2023-11-26 11:47:00,549 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8791348600508906 [2023-11-26 11:47:00,549 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2023-11-26 11:47:00,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2023-11-26 11:47:00,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:00,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2023-11-26 11:47:00,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 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 11:47:00,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 11:47:00,561 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 11:47:00,561 INFO L175 Difference]: Start difference. First operand has 207 places, 208 transitions, 467 flow. Second operand 6 states and 1382 transitions. [2023-11-26 11:47:00,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 231 transitions, 599 flow [2023-11-26 11:47:00,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 231 transitions, 596 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:47:00,568 INFO L231 Difference]: Finished difference. Result has 210 places, 207 transitions, 470 flow [2023-11-26 11:47:00,569 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=470, PETRI_PLACES=210, PETRI_TRANSITIONS=207} [2023-11-26 11:47:00,569 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -21 predicate places. [2023-11-26 11:47:00,569 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 207 transitions, 470 flow [2023-11-26 11:47:00,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.66666666666666) internal successors, (1348), 6 states have internal predecessors, (1348), 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 11:47:00,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:00,571 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] [2023-11-26 11:47:00,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:47:00,571 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:00,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1827414317, now seen corresponding path program 1 times [2023-11-26 11:47:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:00,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754660837] [2023-11-26 11:47:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:00,613 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 11:47:00,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:00,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754660837] [2023-11-26 11:47:00,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754660837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:00,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:00,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:00,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195410137] [2023-11-26 11:47:00,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:00,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:00,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:00,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:00,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:00,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-26 11:47:00,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 207 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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 11:47:00,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:00,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-26 11:47:00,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:00,917 INFO L124 PetriNetUnfolderBase]: 302/1388 cut-off events. [2023-11-26 11:47:00,917 INFO L125 PetriNetUnfolderBase]: For 76/78 co-relation queries the response was YES. [2023-11-26 11:47:00,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1960 conditions, 1388 events. 302/1388 cut-off events. For 76/78 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9143 event pairs, 87 based on Foata normal form. 0/1204 useless extension candidates. Maximal degree in co-relation 1312. Up to 287 conditions per place. [2023-11-26 11:47:00,931 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 25 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-11-26 11:47:00,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 212 transitions, 536 flow [2023-11-26 11:47:00,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-26 11:47:00,934 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-26 11:47:00,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-26 11:47:00,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-26 11:47:00,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:00,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-26 11:47:00,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 11:47:00,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:00,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:00,940 INFO L175 Difference]: Start difference. First operand has 210 places, 207 transitions, 470 flow. Second operand 3 states and 699 transitions. [2023-11-26 11:47:00,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 212 transitions, 536 flow [2023-11-26 11:47:00,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 212 transitions, 529 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:47:00,946 INFO L231 Difference]: Finished difference. Result has 207 places, 206 transitions, 465 flow [2023-11-26 11:47:00,946 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=207, PETRI_TRANSITIONS=206} [2023-11-26 11:47:00,947 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -24 predicate places. [2023-11-26 11:47:00,947 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 206 transitions, 465 flow [2023-11-26 11:47:00,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 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 11:47:00,948 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:00,948 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] [2023-11-26 11:47:00,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:47:00,949 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:00,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:00,949 INFO L85 PathProgramCache]: Analyzing trace with hash -778454709, now seen corresponding path program 1 times [2023-11-26 11:47:00,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:00,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306878426] [2023-11-26 11:47:00,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:00,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:00,985 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 11:47:00,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:00,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306878426] [2023-11-26 11:47:00,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306878426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:00,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:00,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:00,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094159251] [2023-11-26 11:47:00,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:00,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:00,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:00,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:00,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:01,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 262 [2023-11-26 11:47:01,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 206 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 11:47:01,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:01,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 262 [2023-11-26 11:47:01,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:01,206 INFO L124 PetriNetUnfolderBase]: 183/1043 cut-off events. [2023-11-26 11:47:01,207 INFO L125 PetriNetUnfolderBase]: For 41/43 co-relation queries the response was YES. [2023-11-26 11:47:01,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 1043 events. 183/1043 cut-off events. For 41/43 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5930 event pairs, 54 based on Foata normal form. 0/919 useless extension candidates. Maximal degree in co-relation 1255. Up to 186 conditions per place. [2023-11-26 11:47:01,220 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2023-11-26 11:47:01,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 211 transitions, 527 flow [2023-11-26 11:47:01,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:01,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-26 11:47:01,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-26 11:47:01,223 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-26 11:47:01,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-26 11:47:01,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:01,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-26 11:47:01,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 11:47:01,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:01,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:01,228 INFO L175 Difference]: Start difference. First operand has 207 places, 206 transitions, 465 flow. Second operand 3 states and 703 transitions. [2023-11-26 11:47:01,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 211 transitions, 527 flow [2023-11-26 11:47:01,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 211 transitions, 523 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:47:01,234 INFO L231 Difference]: Finished difference. Result has 206 places, 205 transitions, 463 flow [2023-11-26 11:47:01,235 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=206, PETRI_TRANSITIONS=205} [2023-11-26 11:47:01,235 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -25 predicate places. [2023-11-26 11:47:01,235 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 205 transitions, 463 flow [2023-11-26 11:47:01,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 11:47:01,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:01,236 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] [2023-11-26 11:47:01,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:47:01,236 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:01,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:01,237 INFO L85 PathProgramCache]: Analyzing trace with hash -807343500, now seen corresponding path program 1 times [2023-11-26 11:47:01,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:01,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004441818] [2023-11-26 11:47:01,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:01,280 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 11:47:01,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:01,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004441818] [2023-11-26 11:47:01,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004441818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:01,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:01,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608158557] [2023-11-26 11:47:01,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:01,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:01,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:01,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:01,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:01,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 262 [2023-11-26 11:47:01,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 205 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 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 11:47:01,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:01,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 262 [2023-11-26 11:47:01,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:01,524 INFO L124 PetriNetUnfolderBase]: 236/973 cut-off events. [2023-11-26 11:47:01,524 INFO L125 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2023-11-26 11:47:01,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 973 events. 236/973 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 6061 event pairs, 92 based on Foata normal form. 0/870 useless extension candidates. Maximal degree in co-relation 1416. Up to 263 conditions per place. [2023-11-26 11:47:01,533 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 25 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2023-11-26 11:47:01,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 210 transitions, 529 flow [2023-11-26 11:47:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-26 11:47:01,536 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8893129770992366 [2023-11-26 11:47:01,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-26 11:47:01,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-26 11:47:01,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:01,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-26 11:47:01,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 11:47:01,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:01,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:01,542 INFO L175 Difference]: Start difference. First operand has 206 places, 205 transitions, 463 flow. Second operand 3 states and 699 transitions. [2023-11-26 11:47:01,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 210 transitions, 529 flow [2023-11-26 11:47:01,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 210 transitions, 525 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:47:01,548 INFO L231 Difference]: Finished difference. Result has 205 places, 204 transitions, 461 flow [2023-11-26 11:47:01,549 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2023-11-26 11:47:01,549 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -26 predicate places. [2023-11-26 11:47:01,549 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 461 flow [2023-11-26 11:47:01,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 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 11:47:01,550 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:01,550 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, 1, 1] [2023-11-26 11:47:01,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 11:47:01,550 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:01,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:01,551 INFO L85 PathProgramCache]: Analyzing trace with hash 910867723, now seen corresponding path program 1 times [2023-11-26 11:47:01,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:01,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956949286] [2023-11-26 11:47:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:01,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:01,594 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 11:47:01,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:01,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956949286] [2023-11-26 11:47:01,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956949286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:01,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:01,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:01,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759355810] [2023-11-26 11:47:01,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:01,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:01,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:01,611 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 262 [2023-11-26 11:47:01,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 11:47:01,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:01,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 262 [2023-11-26 11:47:01,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:01,851 INFO L124 PetriNetUnfolderBase]: 274/1315 cut-off events. [2023-11-26 11:47:01,851 INFO L125 PetriNetUnfolderBase]: For 86/88 co-relation queries the response was YES. [2023-11-26 11:47:01,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1315 events. 274/1315 cut-off events. For 86/88 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8208 event pairs, 74 based on Foata normal form. 0/1158 useless extension candidates. Maximal degree in co-relation 1264. Up to 253 conditions per place. [2023-11-26 11:47:01,864 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2023-11-26 11:47:01,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 209 transitions, 523 flow [2023-11-26 11:47:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-26 11:47:01,867 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-26 11:47:01,867 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-26 11:47:01,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-26 11:47:01,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:01,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-26 11:47:01,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 11:47:01,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:01,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:01,872 INFO L175 Difference]: Start difference. First operand has 205 places, 204 transitions, 461 flow. Second operand 3 states and 703 transitions. [2023-11-26 11:47:01,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 209 transitions, 523 flow [2023-11-26 11:47:01,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 209 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:47:01,879 INFO L231 Difference]: Finished difference. Result has 204 places, 203 transitions, 459 flow [2023-11-26 11:47:01,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=204, PETRI_TRANSITIONS=203} [2023-11-26 11:47:01,880 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -27 predicate places. [2023-11-26 11:47:01,880 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 203 transitions, 459 flow [2023-11-26 11:47:01,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 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 11:47:01,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:01,880 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, 1, 1, 1, 1, 1] [2023-11-26 11:47:01,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 11:47:01,881 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:01,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:01,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1218197571, now seen corresponding path program 1 times [2023-11-26 11:47:01,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:01,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934631687] [2023-11-26 11:47:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:01,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:01,993 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 11:47:01,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:01,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934631687] [2023-11-26 11:47:01,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934631687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:01,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:01,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:01,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725332114] [2023-11-26 11:47:01,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:01,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:01,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:02,003 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 262 [2023-11-26 11:47:02,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 203 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 11:47:02,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:02,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 262 [2023-11-26 11:47:02,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:02,189 INFO L124 PetriNetUnfolderBase]: 126/795 cut-off events. [2023-11-26 11:47:02,189 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-26 11:47:02,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 795 events. 126/795 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3987 event pairs, 10 based on Foata normal form. 12/733 useless extension candidates. Maximal degree in co-relation 1040. Up to 100 conditions per place. [2023-11-26 11:47:02,198 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-11-26 11:47:02,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 212 transitions, 529 flow [2023-11-26 11:47:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2023-11-26 11:47:02,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071246819338422 [2023-11-26 11:47:02,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 713 transitions. [2023-11-26 11:47:02,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 713 transitions. [2023-11-26 11:47:02,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:02,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 713 transitions. [2023-11-26 11:47:02,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 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 11:47:02,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:02,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:02,208 INFO L175 Difference]: Start difference. First operand has 204 places, 203 transitions, 459 flow. Second operand 3 states and 713 transitions. [2023-11-26 11:47:02,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 212 transitions, 529 flow [2023-11-26 11:47:02,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 212 transitions, 525 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:47:02,215 INFO L231 Difference]: Finished difference. Result has 205 places, 204 transitions, 467 flow [2023-11-26 11:47:02,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2023-11-26 11:47:02,217 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -26 predicate places. [2023-11-26 11:47:02,217 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 467 flow [2023-11-26 11:47:02,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 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 11:47:02,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:02,218 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:02,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 11:47:02,218 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:02,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:02,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1807502039, now seen corresponding path program 1 times [2023-11-26 11:47:02,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:02,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173662980] [2023-11-26 11:47:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:02,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:02,278 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 11:47:02,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:02,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173662980] [2023-11-26 11:47:02,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173662980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:02,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:02,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:02,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233995229] [2023-11-26 11:47:02,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:02,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:02,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:02,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:02,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 262 [2023-11-26 11:47:02,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 11:47:02,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:02,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 262 [2023-11-26 11:47:02,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:02,514 INFO L124 PetriNetUnfolderBase]: 223/952 cut-off events. [2023-11-26 11:47:02,515 INFO L125 PetriNetUnfolderBase]: For 57/64 co-relation queries the response was YES. [2023-11-26 11:47:02,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 952 events. 223/952 cut-off events. For 57/64 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 5588 event pairs, 72 based on Foata normal form. 0/850 useless extension candidates. Maximal degree in co-relation 969. Up to 224 conditions per place. [2023-11-26 11:47:02,526 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2023-11-26 11:47:02,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 209 transitions, 529 flow [2023-11-26 11:47:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2023-11-26 11:47:02,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944020356234097 [2023-11-26 11:47:02,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 703 transitions. [2023-11-26 11:47:02,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 703 transitions. [2023-11-26 11:47:02,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:02,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 703 transitions. [2023-11-26 11:47:02,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 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 11:47:02,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:02,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:02,535 INFO L175 Difference]: Start difference. First operand has 205 places, 204 transitions, 467 flow. Second operand 3 states and 703 transitions. [2023-11-26 11:47:02,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 209 transitions, 529 flow [2023-11-26 11:47:02,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 209 transitions, 527 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:47:02,541 INFO L231 Difference]: Finished difference. Result has 205 places, 203 transitions, 467 flow [2023-11-26 11:47:02,542 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=205, PETRI_TRANSITIONS=203} [2023-11-26 11:47:02,542 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -26 predicate places. [2023-11-26 11:47:02,542 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 203 transitions, 467 flow [2023-11-26 11:47:02,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 11:47:02,543 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:02,543 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 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, 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 11:47:02,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 11:47:02,544 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:02,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:02,544 INFO L85 PathProgramCache]: Analyzing trace with hash -866447579, now seen corresponding path program 1 times [2023-11-26 11:47:02,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:02,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643075053] [2023-11-26 11:47:02,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:02,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 11:47:03,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:03,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643075053] [2023-11-26 11:47:03,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643075053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:03,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:03,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:47:03,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120853860] [2023-11-26 11:47:03,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:03,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:03,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:03,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:03,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:03,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 262 [2023-11-26 11:47:03,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 203 transitions, 467 flow. Second operand has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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 11:47:03,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:03,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 262 [2023-11-26 11:47:03,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:03,571 INFO L124 PetriNetUnfolderBase]: 163/832 cut-off events. [2023-11-26 11:47:03,571 INFO L125 PetriNetUnfolderBase]: For 16/20 co-relation queries the response was YES. [2023-11-26 11:47:03,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1156 conditions, 832 events. 163/832 cut-off events. For 16/20 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4067 event pairs, 22 based on Foata normal form. 0/744 useless extension candidates. Maximal degree in co-relation 1082. Up to 87 conditions per place. [2023-11-26 11:47:03,581 INFO L140 encePairwiseOnDemand]: 257/262 looper letters, 31 selfloop transitions, 4 changer transitions 0/218 dead transitions. [2023-11-26 11:47:03,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 218 transitions, 567 flow [2023-11-26 11:47:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1374 transitions. [2023-11-26 11:47:03,587 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8740458015267175 [2023-11-26 11:47:03,587 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1374 transitions. [2023-11-26 11:47:03,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1374 transitions. [2023-11-26 11:47:03,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:03,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1374 transitions. [2023-11-26 11:47:03,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 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 11:47:03,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 11:47:03,596 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 11:47:03,596 INFO L175 Difference]: Start difference. First operand has 205 places, 203 transitions, 467 flow. Second operand 6 states and 1374 transitions. [2023-11-26 11:47:03,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 218 transitions, 567 flow [2023-11-26 11:47:03,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 218 transitions, 563 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:47:03,602 INFO L231 Difference]: Finished difference. Result has 207 places, 202 transitions, 469 flow [2023-11-26 11:47:03,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=469, PETRI_PLACES=207, PETRI_TRANSITIONS=202} [2023-11-26 11:47:03,604 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -24 predicate places. [2023-11-26 11:47:03,604 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 202 transitions, 469 flow [2023-11-26 11:47:03,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 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 11:47:03,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:03,605 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 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, 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 11:47:03,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 11:47:03,605 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:03,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:03,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1509548651, now seen corresponding path program 1 times [2023-11-26 11:47:03,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:03,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865169069] [2023-11-26 11:47:03,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:03,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:03,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:03,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865169069] [2023-11-26 11:47:03,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865169069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:03,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:03,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:47:03,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329498961] [2023-11-26 11:47:03,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:03,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:03,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:03,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:03,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:03,739 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 262 [2023-11-26 11:47:03,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 202 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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 11:47:03,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:03,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 262 [2023-11-26 11:47:03,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:03,974 INFO L124 PetriNetUnfolderBase]: 221/1162 cut-off events. [2023-11-26 11:47:03,975 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2023-11-26 11:47:03,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 1162 events. 221/1162 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 6715 event pairs, 22 based on Foata normal form. 19/1071 useless extension candidates. Maximal degree in co-relation 1529. Up to 146 conditions per place. [2023-11-26 11:47:03,987 INFO L140 encePairwiseOnDemand]: 259/262 looper letters, 23 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2023-11-26 11:47:03,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 211 transitions, 539 flow [2023-11-26 11:47:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2023-11-26 11:47:03,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071246819338422 [2023-11-26 11:47:03,991 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 713 transitions. [2023-11-26 11:47:03,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 713 transitions. [2023-11-26 11:47:03,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:03,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 713 transitions. [2023-11-26 11:47:03,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 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 11:47:03,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:03,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:03,996 INFO L175 Difference]: Start difference. First operand has 207 places, 202 transitions, 469 flow. Second operand 3 states and 713 transitions. [2023-11-26 11:47:03,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 211 transitions, 539 flow [2023-11-26 11:47:03,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 211 transitions, 532 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:47:04,002 INFO L231 Difference]: Finished difference. Result has 206 places, 203 transitions, 474 flow [2023-11-26 11:47:04,003 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=206, PETRI_TRANSITIONS=203} [2023-11-26 11:47:04,003 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -25 predicate places. [2023-11-26 11:47:04,003 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 203 transitions, 474 flow [2023-11-26 11:47:04,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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 11:47:04,005 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:04,006 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 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, 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 11:47:04,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 11:47:04,006 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:04,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:04,007 INFO L85 PathProgramCache]: Analyzing trace with hash -57203614, now seen corresponding path program 1 times [2023-11-26 11:47:04,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:04,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405218196] [2023-11-26 11:47:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:04,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 11:47:04,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:04,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405218196] [2023-11-26 11:47:04,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405218196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:04,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:04,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:47:04,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542374013] [2023-11-26 11:47:04,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:04,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:04,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:04,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:04,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:04,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 262 [2023-11-26 11:47:04,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 203 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 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 11:47:04,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:04,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 262 [2023-11-26 11:47:04,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:05,158 INFO L124 PetriNetUnfolderBase]: 176/1075 cut-off events. [2023-11-26 11:47:05,159 INFO L125 PetriNetUnfolderBase]: For 10/19 co-relation queries the response was YES. [2023-11-26 11:47:05,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 1075 events. 176/1075 cut-off events. For 10/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5795 event pairs, 38 based on Foata normal form. 4/961 useless extension candidates. Maximal degree in co-relation 990. Up to 142 conditions per place. [2023-11-26 11:47:05,172 INFO L140 encePairwiseOnDemand]: 257/262 looper letters, 23 selfloop transitions, 4 changer transitions 0/210 dead transitions. [2023-11-26 11:47:05,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 210 transitions, 542 flow [2023-11-26 11:47:05,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:47:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:47:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1366 transitions. [2023-11-26 11:47:05,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8689567430025446 [2023-11-26 11:47:05,177 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1366 transitions. [2023-11-26 11:47:05,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1366 transitions. [2023-11-26 11:47:05,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:05,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1366 transitions. [2023-11-26 11:47:05,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 227.66666666666666) internal successors, (1366), 6 states have internal predecessors, (1366), 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 11:47:05,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 11:47:05,186 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 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 11:47:05,186 INFO L175 Difference]: Start difference. First operand has 206 places, 203 transitions, 474 flow. Second operand 6 states and 1366 transitions. [2023-11-26 11:47:05,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 210 transitions, 542 flow [2023-11-26 11:47:05,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 210 transitions, 540 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:47:05,192 INFO L231 Difference]: Finished difference. Result has 209 places, 202 transitions, 478 flow [2023-11-26 11:47:05,192 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=478, PETRI_PLACES=209, PETRI_TRANSITIONS=202} [2023-11-26 11:47:05,193 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -22 predicate places. [2023-11-26 11:47:05,193 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 202 transitions, 478 flow [2023-11-26 11:47:05,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 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 11:47:05,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:05,194 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 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, 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 11:47:05,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-26 11:47:05,195 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-26 11:47:05,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:05,195 INFO L85 PathProgramCache]: Analyzing trace with hash 874257224, now seen corresponding path program 1 times [2023-11-26 11:47:05,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:05,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95138739] [2023-11-26 11:47:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:05,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 11:47:05,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:05,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95138739] [2023-11-26 11:47:05,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95138739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:05,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:05,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:05,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657642485] [2023-11-26 11:47:05,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:05,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:05,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:05,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:05,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:05,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 262 [2023-11-26 11:47:05,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 202 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 11:47:05,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:05,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 262 [2023-11-26 11:47:05,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:05,510 INFO L124 PetriNetUnfolderBase]: 156/1048 cut-off events. [2023-11-26 11:47:05,510 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2023-11-26 11:47:05,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 1048 events. 156/1048 cut-off events. For 10/14 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5643 event pairs, 38 based on Foata normal form. 2/934 useless extension candidates. Maximal degree in co-relation 1359. Up to 142 conditions per place. [2023-11-26 11:47:05,517 INFO L140 encePairwiseOnDemand]: 260/262 looper letters, 0 selfloop transitions, 0 changer transitions 201/201 dead transitions. [2023-11-26 11:47:05,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 201 transitions, 502 flow [2023-11-26 11:47:05,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions. [2023-11-26 11:47:05,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8956743002544529 [2023-11-26 11:47:05,520 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 704 transitions. [2023-11-26 11:47:05,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 704 transitions. [2023-11-26 11:47:05,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:05,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 704 transitions. [2023-11-26 11:47:05,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 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 11:47:05,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:05,526 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 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 11:47:05,526 INFO L175 Difference]: Start difference. First operand has 209 places, 202 transitions, 478 flow. Second operand 3 states and 704 transitions. [2023-11-26 11:47:05,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 201 transitions, 502 flow [2023-11-26 11:47:05,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 201 transitions, 495 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:47:05,530 INFO L231 Difference]: Finished difference. Result has 206 places, 0 transitions, 0 flow [2023-11-26 11:47:05,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=206, PETRI_TRANSITIONS=0} [2023-11-26 11:47:05,531 INFO L281 CegarLoopForPetriNet]: 231 programPoint places, -25 predicate places. [2023-11-26 11:47:05,531 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 0 transitions, 0 flow [2023-11-26 11:47:05,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 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 11:47:05,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-11-26 11:47:05,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-11-26 11:47:05,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-11-26 11:47:05,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-11-26 11:47:05,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-11-26 11:47:05,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-11-26 11:47:05,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-11-26 11:47:05,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-11-26 11:47:05,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-11-26 11:47:05,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-11-26 11:47:05,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-11-26 11:47:05,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-11-26 11:47:05,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-11-26 11:47:05,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-11-26 11:47:05,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-11-26 11:47:05,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-11-26 11:47:05,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-11-26 11:47:05,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-11-26 11:47:05,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-11-26 11:47:05,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-11-26 11:47:05,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-11-26 11:47:05,538 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-11-26 11:47:05,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-11-26 11:47:05,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-11-26 11:47:05,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-11-26 11:47:05,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-11-26 11:47:05,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-11-26 11:47:05,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-11-26 11:47:05,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-11-26 11:47:05,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-11-26 11:47:05,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-11-26 11:47:05,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-11-26 11:47:05,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-11-26 11:47:05,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-11-26 11:47:05,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-11-26 11:47:05,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-11-26 11:47:05,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-11-26 11:47:05,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-11-26 11:47:05,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-11-26 11:47:05,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-11-26 11:47:05,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 73 remaining) [2023-11-26 11:47:05,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-11-26 11:47:05,542 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-11-26 11:47:05,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-11-26 11:47:05,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-11-26 11:47:05,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-11-26 11:47:05,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-11-26 11:47:05,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-11-26 11:47:05,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-11-26 11:47:05,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-11-26 11:47:05,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-11-26 11:47:05,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-11-26 11:47:05,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-11-26 11:47:05,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-11-26 11:47:05,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-11-26 11:47:05,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-11-26 11:47:05,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-11-26 11:47:05,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-11-26 11:47:05,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-11-26 11:47:05,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-11-26 11:47:05,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-11-26 11:47:05,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-11-26 11:47:05,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-11-26 11:47:05,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-11-26 11:47:05,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-11-26 11:47:05,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-11-26 11:47:05,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-11-26 11:47:05,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-11-26 11:47:05,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-11-26 11:47:05,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-11-26 11:47:05,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-11-26 11:47:05,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-11-26 11:47:05,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-11-26 11:47:05,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-26 11:47:05,551 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-26 11:47:05,557 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:47:05,557 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:47:05,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:47:05 BasicIcfg [2023-11-26 11:47:05,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:47:05,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:05,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:05,566 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:05,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:54" (3/4) ... [2023-11-26 11:47:05,569 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:47:05,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:47:05,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:47:05,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 11:47:05,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-26 11:47:05,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:47:05,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:47:05,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:47:05,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:47:05,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:47:05,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:05,673 INFO L158 Benchmark]: Toolchain (without parser) took 12496.50ms. Allocated memory was 153.1MB in the beginning and 348.1MB in the end (delta: 195.0MB). Free memory was 106.1MB in the beginning and 279.8MB in the end (delta: -173.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,673 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 153.1MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:05,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.17ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 93.5MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.08ms. Allocated memory is still 153.1MB. Free memory was 93.5MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,675 INFO L158 Benchmark]: Boogie Preprocessor took 51.60ms. Allocated memory is still 153.1MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,675 INFO L158 Benchmark]: RCFGBuilder took 874.83ms. Allocated memory is still 153.1MB. Free memory was 89.4MB in the beginning and 60.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,676 INFO L158 Benchmark]: TraceAbstraction took 11071.84ms. Allocated memory was 228.6MB in the beginning and 348.1MB in the end (delta: 119.5MB). Free memory was 197.9MB in the beginning and 285.0MB in the end (delta: -87.1MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,676 INFO L158 Benchmark]: Witness Printer took 106.48ms. Allocated memory is still 348.1MB. Free memory was 285.0MB in the beginning and 279.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:47:05,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 153.1MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.17ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 93.5MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.08ms. Allocated memory is still 153.1MB. Free memory was 93.5MB in the beginning and 91.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.60ms. Allocated memory is still 153.1MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.83ms. Allocated memory is still 153.1MB. Free memory was 89.4MB in the beginning and 60.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11071.84ms. Allocated memory was 228.6MB in the beginning and 348.1MB in the end (delta: 119.5MB). Free memory was 197.9MB in the beginning and 285.0MB in the end (delta: -87.1MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. * Witness Printer took 106.48ms. Allocated memory is still 348.1MB. Free memory was 285.0MB in the beginning and 279.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 373 locations, 73 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.9s, OverallIterations: 24, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 778 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 373 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1566 IncrementalHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 130 mSDtfsCounter, 1566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=490occurred in iteration=0, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1751 NumberOfCodeBlocks, 1751 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1727 ConstructedInterpolants, 0 QuantifiedInterpolants, 2114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:47:05,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f613333f-dbd0-4be0-b88b-52e54d6897f2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE