./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.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_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/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_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/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_e588fd1b-7119-48fc-94f0-5d798887be19/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 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:18,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:18,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:02:18,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:18,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:18,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:18,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:18,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:18,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:02:18,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:02:18,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:18,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:18,420 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:18,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:18,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:02:18,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:18,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:18,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:18,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:18,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:02:18,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:02:18,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:02:18,426 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:02:18,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:02:18,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:18,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:18,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:18,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:18,431 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:18,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:02:18,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:18,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:18,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:02:18,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:02:18,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:18,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:02:18,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:02:18,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:02:18,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:02:18,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:02:18,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:02:18,438 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_e588fd1b-7119-48fc-94f0-5d798887be19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2023-11-26 12:02:18,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:02:18,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:02:18,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:02:18,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:02:18,808 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:02:18,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2023-11-26 12:02:21,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:02:22,238 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:02:22,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2023-11-26 12:02:22,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/data/50222b682/52186cc9904b431496e7f916f989b6dd/FLAG4d503369f [2023-11-26 12:02:22,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/data/50222b682/52186cc9904b431496e7f916f989b6dd [2023-11-26 12:02:22,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:02:22,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:02:22,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:22,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:02:22,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:02:22,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a05b601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22, skipping insertion in model container [2023-11-26 12:02:22,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:02:22,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:22,564 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:02:22,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:22,635 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:02:22,635 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:02:22,647 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:02:22,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22 WrapperNode [2023-11-26 12:02:22,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:22,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:22,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:02:22,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:02:22,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,789 INFO L138 Inliner]: procedures = 25, calls = 69, calls flagged for inlining = 21, calls inlined = 25, statements flattened = 776 [2023-11-26 12:02:22,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:22,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:02:22,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:02:22,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:02:22,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:02:22,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:02:22,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:02:22,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:02:22,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (1/1) ... [2023-11-26 12:02:22,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:22,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:23,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:02:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:02:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 12:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 12:02:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 12:02:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 12:02:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 12:02:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 12:02:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 12:02:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:02:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:02:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:02:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:02:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:02:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:02:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:02:23,050 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 12:02:23,261 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:02:23,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:02:24,584 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:02:25,573 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:02:25,574 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-26 12:02:25,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:25 BoogieIcfgContainer [2023-11-26 12:02:25,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:02:25,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:02:25,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:02:25,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:02:25,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:02:22" (1/3) ... [2023-11-26 12:02:25,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d090ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:25, skipping insertion in model container [2023-11-26 12:02:25,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:22" (2/3) ... [2023-11-26 12:02:25,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d090ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:25, skipping insertion in model container [2023-11-26 12:02:25,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:25" (3/3) ... [2023-11-26 12:02:25,591 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2023-11-26 12:02:25,602 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:02:25,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:02:25,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2023-11-26 12:02:25,615 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:02:25,803 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-26 12:02:25,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 525 places, 542 transitions, 1105 flow [2023-11-26 12:02:26,170 INFO L124 PetriNetUnfolderBase]: 27/539 cut-off events. [2023-11-26 12:02:26,175 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 12:02:26,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 539 events. 27/539 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1013 event pairs, 0 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 445. Up to 6 conditions per place. [2023-11-26 12:02:26,189 INFO L82 GeneralOperation]: Start removeDead. Operand has 525 places, 542 transitions, 1105 flow [2023-11-26 12:02:26,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 500 places, 516 transitions, 1050 flow [2023-11-26 12:02:26,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:02:26,240 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;@7927ff59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:02:26,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 231 error locations. [2023-11-26 12:02:26,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:02:26,251 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2023-11-26 12:02:26,251 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:02:26,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:26,252 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] [2023-11-26 12:02:26,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:26,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1361778211, now seen corresponding path program 1 times [2023-11-26 12:02:26,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:26,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377526497] [2023-11-26 12:02:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:26,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,565 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 12:02:26,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:26,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377526497] [2023-11-26 12:02:26,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377526497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:26,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:26,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:26,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363389316] [2023-11-26 12:02:26,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:26,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:26,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:26,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:26,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:26,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-26 12:02:26,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 516 transitions, 1050 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:26,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:26,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-26 12:02:26,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:26,920 INFO L124 PetriNetUnfolderBase]: 30/427 cut-off events. [2023-11-26 12:02:26,920 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-26 12:02:26,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 427 events. 30/427 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 372 event pairs, 0 based on Foata normal form. 18/386 useless extension candidates. Maximal degree in co-relation 385. Up to 35 conditions per place. [2023-11-26 12:02:26,926 INFO L140 encePairwiseOnDemand]: 435/542 looper letters, 18 selfloop transitions, 2 changer transitions 6/411 dead transitions. [2023-11-26 12:02:26,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 411 transitions, 880 flow [2023-11-26 12:02:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1367 transitions. [2023-11-26 12:02:26,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8407134071340714 [2023-11-26 12:02:26,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1367 transitions. [2023-11-26 12:02:26,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1367 transitions. [2023-11-26 12:02:26,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:26,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1367 transitions. [2023-11-26 12:02:26,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 455.6666666666667) internal successors, (1367), 3 states have internal predecessors, (1367), 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 12:02:26,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:26,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:26,986 INFO L175 Difference]: Start difference. First operand has 500 places, 516 transitions, 1050 flow. Second operand 3 states and 1367 transitions. [2023-11-26 12:02:26,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 411 transitions, 880 flow [2023-11-26 12:02:26,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 411 transitions, 868 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-26 12:02:27,009 INFO L231 Difference]: Finished difference. Result has 403 places, 405 transitions, 820 flow [2023-11-26 12:02:27,012 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=403, PETRI_TRANSITIONS=405} [2023-11-26 12:02:27,016 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -97 predicate places. [2023-11-26 12:02:27,016 INFO L495 AbstractCegarLoop]: Abstraction has has 403 places, 405 transitions, 820 flow [2023-11-26 12:02:27,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:27,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:27,019 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] [2023-11-26 12:02:27,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:02:27,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:27,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:27,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1468571454, now seen corresponding path program 1 times [2023-11-26 12:02:27,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:27,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383652485] [2023-11-26 12:02:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:27,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,142 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 12:02:27,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:27,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383652485] [2023-11-26 12:02:27,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383652485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:27,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:27,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:27,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42590122] [2023-11-26 12:02:27,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:27,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:27,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:27,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:27,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:27,166 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-26 12:02:27,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 405 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:27,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:27,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-26 12:02:27,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:27,345 INFO L124 PetriNetUnfolderBase]: 30/420 cut-off events. [2023-11-26 12:02:27,345 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 12:02:27,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 420 events. 30/420 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 371 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 424. Up to 35 conditions per place. [2023-11-26 12:02:27,350 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 18 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2023-11-26 12:02:27,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 404 transitions, 858 flow [2023-11-26 12:02:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:27,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-26 12:02:27,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-26 12:02:27,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-26 12:02:27,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-26 12:02:27,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:27,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-26 12:02:27,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:27,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:27,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:27,369 INFO L175 Difference]: Start difference. First operand has 403 places, 405 transitions, 820 flow. Second operand 3 states and 1263 transitions. [2023-11-26 12:02:27,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 404 transitions, 858 flow [2023-11-26 12:02:27,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 404 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:27,381 INFO L231 Difference]: Finished difference. Result has 396 places, 404 transitions, 818 flow [2023-11-26 12:02:27,382 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=396, PETRI_TRANSITIONS=404} [2023-11-26 12:02:27,383 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -104 predicate places. [2023-11-26 12:02:27,383 INFO L495 AbstractCegarLoop]: Abstraction has has 396 places, 404 transitions, 818 flow [2023-11-26 12:02:27,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:27,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:27,385 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] [2023-11-26 12:02:27,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:02:27,385 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:27,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:27,386 INFO L85 PathProgramCache]: Analyzing trace with hash 39106067, now seen corresponding path program 1 times [2023-11-26 12:02:27,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:27,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321867598] [2023-11-26 12:02:27,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:27,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,476 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 12:02:27,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:27,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321867598] [2023-11-26 12:02:27,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321867598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:27,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:27,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:27,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131176543] [2023-11-26 12:02:27,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:27,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:27,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:27,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:27,499 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-26 12:02:27,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 404 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:27,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:27,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-26 12:02:27,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:27,637 INFO L124 PetriNetUnfolderBase]: 30/419 cut-off events. [2023-11-26 12:02:27,637 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 12:02:27,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 419 events. 30/419 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 373 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 415. Up to 35 conditions per place. [2023-11-26 12:02:27,642 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 18 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2023-11-26 12:02:27,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 403 transitions, 856 flow [2023-11-26 12:02:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-26 12:02:27,648 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-26 12:02:27,648 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-26 12:02:27,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-26 12:02:27,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:27,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-26 12:02:27,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:27,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:27,661 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:27,662 INFO L175 Difference]: Start difference. First operand has 396 places, 404 transitions, 818 flow. Second operand 3 states and 1263 transitions. [2023-11-26 12:02:27,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 403 transitions, 856 flow [2023-11-26 12:02:27,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 403 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:27,673 INFO L231 Difference]: Finished difference. Result has 395 places, 403 transitions, 816 flow [2023-11-26 12:02:27,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=395, PETRI_TRANSITIONS=403} [2023-11-26 12:02:27,675 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-26 12:02:27,676 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 403 transitions, 816 flow [2023-11-26 12:02:27,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:27,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:27,678 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] [2023-11-26 12:02:27,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:02:27,678 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:27,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1022094691, now seen corresponding path program 1 times [2023-11-26 12:02:27,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:27,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694827694] [2023-11-26 12:02:27,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:27,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,736 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 12:02:27,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:27,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694827694] [2023-11-26 12:02:27,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694827694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:27,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:27,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:27,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191068879] [2023-11-26 12:02:27,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:27,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:27,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:27,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:27,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:27,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-26 12:02:27,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:27,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:27,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-26 12:02:27,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:27,971 INFO L124 PetriNetUnfolderBase]: 56/547 cut-off events. [2023-11-26 12:02:27,971 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-26 12:02:27,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 547 events. 56/547 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 959 event pairs, 0 based on Foata normal form. 1/469 useless extension candidates. Maximal degree in co-relation 563. Up to 37 conditions per place. [2023-11-26 12:02:27,978 INFO L140 encePairwiseOnDemand]: 538/542 looper letters, 27 selfloop transitions, 3 changer transitions 0/415 dead transitions. [2023-11-26 12:02:27,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 415 transitions, 905 flow [2023-11-26 12:02:27,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2023-11-26 12:02:27,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7902829028290282 [2023-11-26 12:02:27,984 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1285 transitions. [2023-11-26 12:02:27,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1285 transitions. [2023-11-26 12:02:27,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:27,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1285 transitions. [2023-11-26 12:02:27,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 12:02:27,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:27,997 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:27,998 INFO L175 Difference]: Start difference. First operand has 395 places, 403 transitions, 816 flow. Second operand 3 states and 1285 transitions. [2023-11-26 12:02:27,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 415 transitions, 905 flow [2023-11-26 12:02:28,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 415 transitions, 901 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:28,010 INFO L231 Difference]: Finished difference. Result has 395 places, 404 transitions, 827 flow [2023-11-26 12:02:28,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=827, PETRI_PLACES=395, PETRI_TRANSITIONS=404} [2023-11-26 12:02:28,013 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-26 12:02:28,014 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 404 transitions, 827 flow [2023-11-26 12:02:28,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:28,015 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:28,015 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] [2023-11-26 12:02:28,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:02:28,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:28,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,017 INFO L85 PathProgramCache]: Analyzing trace with hash 612321601, now seen corresponding path program 1 times [2023-11-26 12:02:28,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:28,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151163734] [2023-11-26 12:02:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:28,112 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 12:02:28,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:28,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151163734] [2023-11-26 12:02:28,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151163734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:28,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:28,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:28,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528990021] [2023-11-26 12:02:28,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:28,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:28,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:28,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:28,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:28,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:28,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 404 transitions, 827 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:28,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:28,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:28,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:28,309 INFO L124 PetriNetUnfolderBase]: 56/540 cut-off events. [2023-11-26 12:02:28,310 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-26 12:02:28,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 540 events. 56/540 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 945 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 391. Up to 63 conditions per place. [2023-11-26 12:02:28,317 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 19 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2023-11-26 12:02:28,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 403 transitions, 867 flow [2023-11-26 12:02:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:28,323 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:28,323 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:28,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:28,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:28,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:28,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:28,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:28,337 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:28,337 INFO L175 Difference]: Start difference. First operand has 395 places, 404 transitions, 827 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:28,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 403 transitions, 867 flow [2023-11-26 12:02:28,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 403 transitions, 864 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:28,349 INFO L231 Difference]: Finished difference. Result has 395 places, 403 transitions, 826 flow [2023-11-26 12:02:28,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=395, PETRI_TRANSITIONS=403} [2023-11-26 12:02:28,351 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-26 12:02:28,351 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 403 transitions, 826 flow [2023-11-26 12:02:28,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:28,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:28,354 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] [2023-11-26 12:02:28,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:02:28,354 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:28,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,355 INFO L85 PathProgramCache]: Analyzing trace with hash 949374445, now seen corresponding path program 1 times [2023-11-26 12:02:28,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:28,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277449981] [2023-11-26 12:02:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:28,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:28,405 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 12:02:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:28,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277449981] [2023-11-26 12:02:28,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277449981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:28,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:28,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:28,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026166761] [2023-11-26 12:02:28,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:28,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:28,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:28,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:28,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:28,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-26 12:02:28,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 403 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:28,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:28,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-26 12:02:28,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:28,618 INFO L124 PetriNetUnfolderBase]: 56/539 cut-off events. [2023-11-26 12:02:28,618 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-26 12:02:28,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 539 events. 56/539 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 946 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 560. Up to 61 conditions per place. [2023-11-26 12:02:28,624 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 18 selfloop transitions, 1 changer transitions 0/402 dead transitions. [2023-11-26 12:02:28,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 402 transitions, 862 flow [2023-11-26 12:02:28,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-11-26 12:02:28,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7822878228782287 [2023-11-26 12:02:28,630 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-11-26 12:02:28,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-11-26 12:02:28,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:28,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-11-26 12:02:28,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 12:02:28,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:28,643 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:28,643 INFO L175 Difference]: Start difference. First operand has 395 places, 403 transitions, 826 flow. Second operand 3 states and 1272 transitions. [2023-11-26 12:02:28,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 402 transitions, 862 flow [2023-11-26 12:02:28,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 402 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:28,655 INFO L231 Difference]: Finished difference. Result has 394 places, 402 transitions, 822 flow [2023-11-26 12:02:28,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=394, PETRI_TRANSITIONS=402} [2023-11-26 12:02:28,657 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -106 predicate places. [2023-11-26 12:02:28,657 INFO L495 AbstractCegarLoop]: Abstraction has has 394 places, 402 transitions, 822 flow [2023-11-26 12:02:28,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:28,659 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:28,659 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 12:02:28,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:02:28,660 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:28,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash 836054131, now seen corresponding path program 1 times [2023-11-26 12:02:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:28,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251186621] [2023-11-26 12:02:28,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:28,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,397 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 12:02:29,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:29,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251186621] [2023-11-26 12:02:29,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251186621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:29,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:29,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:29,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664122284] [2023-11-26 12:02:29,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:29,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:29,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:29,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:29,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:29,896 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 542 [2023-11-26 12:02:29,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 402 transitions, 822 flow. Second operand has 6 states, 6 states have (on average 369.5) internal successors, (2217), 6 states have internal predecessors, (2217), 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 12:02:29,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:29,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 542 [2023-11-26 12:02:29,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:30,200 INFO L124 PetriNetUnfolderBase]: 168/648 cut-off events. [2023-11-26 12:02:30,200 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2023-11-26 12:02:30,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 648 events. 168/648 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1126 event pairs, 6 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 857. Up to 220 conditions per place. [2023-11-26 12:02:30,211 INFO L140 encePairwiseOnDemand]: 524/542 looper letters, 52 selfloop transitions, 15 changer transitions 0/399 dead transitions. [2023-11-26 12:02:30,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 399 transitions, 950 flow [2023-11-26 12:02:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2276 transitions. [2023-11-26 12:02:30,225 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6998769987699877 [2023-11-26 12:02:30,226 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2276 transitions. [2023-11-26 12:02:30,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2276 transitions. [2023-11-26 12:02:30,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:30,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2276 transitions. [2023-11-26 12:02:30,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 379.3333333333333) internal successors, (2276), 6 states have internal predecessors, (2276), 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 12:02:30,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:30,246 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:30,246 INFO L175 Difference]: Start difference. First operand has 394 places, 402 transitions, 822 flow. Second operand 6 states and 2276 transitions. [2023-11-26 12:02:30,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 399 transitions, 950 flow [2023-11-26 12:02:30,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 399 transitions, 949 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:30,258 INFO L231 Difference]: Finished difference. Result has 395 places, 399 transitions, 845 flow [2023-11-26 12:02:30,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=845, PETRI_PLACES=395, PETRI_TRANSITIONS=399} [2023-11-26 12:02:30,261 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -105 predicate places. [2023-11-26 12:02:30,261 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 399 transitions, 845 flow [2023-11-26 12:02:30,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 369.5) internal successors, (2217), 6 states have internal predecessors, (2217), 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 12:02:30,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:30,263 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 12:02:30,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:02:30,263 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:30,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:30,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1740032749, now seen corresponding path program 1 times [2023-11-26 12:02:30,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:30,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144728264] [2023-11-26 12:02:30,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:30,314 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 12:02:30,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:30,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144728264] [2023-11-26 12:02:30,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144728264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:30,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:30,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:30,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421312412] [2023-11-26 12:02:30,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:30,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:30,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:30,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:30,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:30,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:30,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 399 transitions, 845 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:30,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:30,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:30,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:30,500 INFO L124 PetriNetUnfolderBase]: 56/535 cut-off events. [2023-11-26 12:02:30,501 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-26 12:02:30,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 535 events. 56/535 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 935 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 588. Up to 63 conditions per place. [2023-11-26 12:02:30,507 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 19 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2023-11-26 12:02:30,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 398 transitions, 885 flow [2023-11-26 12:02:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:30,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:30,513 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:30,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:30,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:30,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:30,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:30,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:30,525 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:30,525 INFO L175 Difference]: Start difference. First operand has 395 places, 399 transitions, 845 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:30,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 398 transitions, 885 flow [2023-11-26 12:02:30,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 398 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 12:02:30,537 INFO L231 Difference]: Finished difference. Result has 391 places, 398 transitions, 817 flow [2023-11-26 12:02:30,538 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=391, PETRI_TRANSITIONS=398} [2023-11-26 12:02:30,539 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -109 predicate places. [2023-11-26 12:02:30,539 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 398 transitions, 817 flow [2023-11-26 12:02:30,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:30,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:30,541 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:30,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:02:30,542 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:30,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1939414002, now seen corresponding path program 1 times [2023-11-26 12:02:30,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:30,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240412041] [2023-11-26 12:02:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:30,591 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 12:02:30,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:30,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240412041] [2023-11-26 12:02:30,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240412041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:30,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:30,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:30,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909120604] [2023-11-26 12:02:30,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:30,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:30,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:30,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:30,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:30,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-26 12:02:30,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 398 transitions, 817 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:30,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:30,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-26 12:02:30,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:30,773 INFO L124 PetriNetUnfolderBase]: 56/534 cut-off events. [2023-11-26 12:02:30,773 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-26 12:02:30,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 534 events. 56/534 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 938 event pairs, 2 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 559. Up to 64 conditions per place. [2023-11-26 12:02:30,780 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 20 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2023-11-26 12:02:30,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 397 transitions, 859 flow [2023-11-26 12:02:30,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-26 12:02:30,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-26 12:02:30,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-26 12:02:30,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-26 12:02:30,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:30,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-26 12:02:30,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:30,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:30,796 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:30,797 INFO L175 Difference]: Start difference. First operand has 391 places, 398 transitions, 817 flow. Second operand 3 states and 1263 transitions. [2023-11-26 12:02:30,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 397 transitions, 859 flow [2023-11-26 12:02:30,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 397 transitions, 855 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:30,808 INFO L231 Difference]: Finished difference. Result has 390 places, 397 transitions, 815 flow [2023-11-26 12:02:30,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=815, PETRI_PLACES=390, PETRI_TRANSITIONS=397} [2023-11-26 12:02:30,810 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -110 predicate places. [2023-11-26 12:02:30,811 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 815 flow [2023-11-26 12:02:30,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:30,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:30,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:30,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:02:30,813 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:30,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:30,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1922481923, now seen corresponding path program 1 times [2023-11-26 12:02:30,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:30,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969826943] [2023-11-26 12:02:30,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:30,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:30,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:30,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969826943] [2023-11-26 12:02:30,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969826943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:30,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:30,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:30,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103316293] [2023-11-26 12:02:30,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:30,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:30,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:30,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:30,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:30,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-26 12:02:30,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:30,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:30,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-26 12:02:30,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:31,129 INFO L124 PetriNetUnfolderBase]: 88/675 cut-off events. [2023-11-26 12:02:31,130 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-11-26 12:02:31,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 675 events. 88/675 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1616 event pairs, 2 based on Foata normal form. 0/576 useless extension candidates. Maximal degree in co-relation 736. Up to 55 conditions per place. [2023-11-26 12:02:31,138 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 30 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2023-11-26 12:02:31,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 409 transitions, 914 flow [2023-11-26 12:02:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:31,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2023-11-26 12:02:31,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7890528905289053 [2023-11-26 12:02:31,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1283 transitions. [2023-11-26 12:02:31,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1283 transitions. [2023-11-26 12:02:31,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:31,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1283 transitions. [2023-11-26 12:02:31,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 12:02:31,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:31,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:31,155 INFO L175 Difference]: Start difference. First operand has 390 places, 397 transitions, 815 flow. Second operand 3 states and 1283 transitions. [2023-11-26 12:02:31,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 409 transitions, 914 flow [2023-11-26 12:02:31,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 409 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:31,166 INFO L231 Difference]: Finished difference. Result has 390 places, 397 transitions, 819 flow [2023-11-26 12:02:31,167 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=819, PETRI_PLACES=390, PETRI_TRANSITIONS=397} [2023-11-26 12:02:31,168 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -110 predicate places. [2023-11-26 12:02:31,169 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 819 flow [2023-11-26 12:02:31,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:31,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:31,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:31,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 12:02:31,170 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:31,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:31,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1239277176, now seen corresponding path program 1 times [2023-11-26 12:02:31,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:31,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306214068] [2023-11-26 12:02:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:31,224 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 12:02:31,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:31,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306214068] [2023-11-26 12:02:31,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306214068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:31,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:31,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939168081] [2023-11-26 12:02:31,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:31,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:31,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:31,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:31,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:31,236 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:31,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 819 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:31,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:31,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:31,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:31,441 INFO L124 PetriNetUnfolderBase]: 84/638 cut-off events. [2023-11-26 12:02:31,441 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-26 12:02:31,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 638 events. 84/638 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1451 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 717. Up to 97 conditions per place. [2023-11-26 12:02:31,451 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 20 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2023-11-26 12:02:31,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 396 transitions, 861 flow [2023-11-26 12:02:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:31,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:31,456 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:31,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:31,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:31,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:31,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:31,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:31,467 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:31,467 INFO L175 Difference]: Start difference. First operand has 390 places, 397 transitions, 819 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:31,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 396 transitions, 861 flow [2023-11-26 12:02:31,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 396 transitions, 859 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:31,479 INFO L231 Difference]: Finished difference. Result has 390 places, 396 transitions, 819 flow [2023-11-26 12:02:31,480 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=819, PETRI_PLACES=390, PETRI_TRANSITIONS=396} [2023-11-26 12:02:31,481 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -110 predicate places. [2023-11-26 12:02:31,481 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 396 transitions, 819 flow [2023-11-26 12:02:31,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:31,482 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:31,482 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, 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 12:02:31,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 12:02:31,483 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:31,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:31,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1435842669, now seen corresponding path program 1 times [2023-11-26 12:02:31,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:31,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358194967] [2023-11-26 12:02:31,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:31,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:31,535 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 12:02:31,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:31,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358194967] [2023-11-26 12:02:31,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358194967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:31,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:31,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:31,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919917208] [2023-11-26 12:02:31,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:31,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:31,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:31,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:31,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:31,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-26 12:02:31,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 396 transitions, 819 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:31,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:31,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-26 12:02:31,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:31,773 INFO L124 PetriNetUnfolderBase]: 84/637 cut-off events. [2023-11-26 12:02:31,774 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-11-26 12:02:31,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 637 events. 84/637 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1450 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 713. Up to 98 conditions per place. [2023-11-26 12:02:31,782 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2023-11-26 12:02:31,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 395 transitions, 863 flow [2023-11-26 12:02:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:31,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-26 12:02:31,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-26 12:02:31,789 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-26 12:02:31,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-26 12:02:31,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:31,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-26 12:02:31,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:31,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:31,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:31,799 INFO L175 Difference]: Start difference. First operand has 390 places, 396 transitions, 819 flow. Second operand 3 states and 1263 transitions. [2023-11-26 12:02:31,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 395 transitions, 863 flow [2023-11-26 12:02:31,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 395 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:31,811 INFO L231 Difference]: Finished difference. Result has 389 places, 395 transitions, 817 flow [2023-11-26 12:02:31,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=389, PETRI_TRANSITIONS=395} [2023-11-26 12:02:31,813 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -111 predicate places. [2023-11-26 12:02:31,813 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 395 transitions, 817 flow [2023-11-26 12:02:31,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:31,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:31,814 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, 1, 1, 1, 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 12:02:31,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 12:02:31,815 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:31,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:31,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1715905121, now seen corresponding path program 1 times [2023-11-26 12:02:31,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:31,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026053841] [2023-11-26 12:02:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:31,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:31,870 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 12:02:31,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:31,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026053841] [2023-11-26 12:02:31,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026053841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:31,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:31,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:31,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187312819] [2023-11-26 12:02:31,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:31,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:31,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:31,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:31,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:31,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-26 12:02:31,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 395 transitions, 817 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:31,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:31,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-26 12:02:31,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:32,071 INFO L124 PetriNetUnfolderBase]: 84/636 cut-off events. [2023-11-26 12:02:32,071 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-26 12:02:32,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 636 events. 84/636 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1447 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 710. Up to 95 conditions per place. [2023-11-26 12:02:32,080 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 19 selfloop transitions, 1 changer transitions 0/394 dead transitions. [2023-11-26 12:02:32,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 394 transitions, 855 flow [2023-11-26 12:02:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:32,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-11-26 12:02:32,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7822878228782287 [2023-11-26 12:02:32,086 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-11-26 12:02:32,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-11-26 12:02:32,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:32,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-11-26 12:02:32,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 12:02:32,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:32,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:32,097 INFO L175 Difference]: Start difference. First operand has 389 places, 395 transitions, 817 flow. Second operand 3 states and 1272 transitions. [2023-11-26 12:02:32,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 394 transitions, 855 flow [2023-11-26 12:02:32,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 394 transitions, 851 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:32,109 INFO L231 Difference]: Finished difference. Result has 388 places, 394 transitions, 813 flow [2023-11-26 12:02:32,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=813, PETRI_PLACES=388, PETRI_TRANSITIONS=394} [2023-11-26 12:02:32,110 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -112 predicate places. [2023-11-26 12:02:32,111 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 394 transitions, 813 flow [2023-11-26 12:02:32,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:32,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:32,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:32,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 12:02:32,112 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:32,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:32,113 INFO L85 PathProgramCache]: Analyzing trace with hash -424624023, now seen corresponding path program 1 times [2023-11-26 12:02:32,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:32,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071698955] [2023-11-26 12:02:32,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:32,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:32,179 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 12:02:32,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:32,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071698955] [2023-11-26 12:02:32,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071698955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:32,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:32,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:32,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312652073] [2023-11-26 12:02:32,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:32,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:32,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:32,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:32,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:32,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:32,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 394 transitions, 813 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:32,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:32,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:32,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:32,402 INFO L124 PetriNetUnfolderBase]: 84/635 cut-off events. [2023-11-26 12:02:32,403 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-11-26 12:02:32,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 635 events. 84/635 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1444 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 709. Up to 97 conditions per place. [2023-11-26 12:02:32,411 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 20 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2023-11-26 12:02:32,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 393 transitions, 855 flow [2023-11-26 12:02:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:32,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:32,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:32,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:32,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:32,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:32,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:32,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:32,430 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:32,431 INFO L175 Difference]: Start difference. First operand has 388 places, 394 transitions, 813 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:32,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 393 transitions, 855 flow [2023-11-26 12:02:32,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 393 transitions, 854 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:32,443 INFO L231 Difference]: Finished difference. Result has 388 places, 393 transitions, 814 flow [2023-11-26 12:02:32,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=388, PETRI_TRANSITIONS=393} [2023-11-26 12:02:32,445 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -112 predicate places. [2023-11-26 12:02:32,445 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 393 transitions, 814 flow [2023-11-26 12:02:32,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:32,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:32,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:32,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 12:02:32,447 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:32,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:32,448 INFO L85 PathProgramCache]: Analyzing trace with hash -395405342, now seen corresponding path program 1 times [2023-11-26 12:02:32,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:32,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397018092] [2023-11-26 12:02:32,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:32,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:32,551 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 12:02:32,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:32,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397018092] [2023-11-26 12:02:32,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397018092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:32,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:32,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:32,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498425360] [2023-11-26 12:02:32,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:32,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:32,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:32,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:32,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:32,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-26 12:02:32,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 393 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:32,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:32,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-26 12:02:32,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:32,786 INFO L124 PetriNetUnfolderBase]: 84/634 cut-off events. [2023-11-26 12:02:32,787 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2023-11-26 12:02:32,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 634 events. 84/634 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1445 event pairs, 7 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 711. Up to 98 conditions per place. [2023-11-26 12:02:32,795 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/392 dead transitions. [2023-11-26 12:02:32,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 392 transitions, 858 flow [2023-11-26 12:02:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-26 12:02:32,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-26 12:02:32,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-26 12:02:32,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-26 12:02:32,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:32,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-26 12:02:32,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:32,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:32,812 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:32,812 INFO L175 Difference]: Start difference. First operand has 388 places, 393 transitions, 814 flow. Second operand 3 states and 1263 transitions. [2023-11-26 12:02:32,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 392 transitions, 858 flow [2023-11-26 12:02:32,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 392 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:32,823 INFO L231 Difference]: Finished difference. Result has 387 places, 392 transitions, 812 flow [2023-11-26 12:02:32,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=387, PETRI_TRANSITIONS=392} [2023-11-26 12:02:32,824 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -113 predicate places. [2023-11-26 12:02:32,825 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 392 transitions, 812 flow [2023-11-26 12:02:32,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:32,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:32,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:32,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 12:02:32,826 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:32,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:32,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1656072921, now seen corresponding path program 1 times [2023-11-26 12:02:32,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:32,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84271537] [2023-11-26 12:02:32,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:32,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:32,893 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 12:02:32,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:32,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84271537] [2023-11-26 12:02:32,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84271537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:32,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:32,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:32,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316108345] [2023-11-26 12:02:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:32,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:32,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:32,906 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-26 12:02:32,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 392 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:32,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:32,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-26 12:02:32,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:33,229 INFO L124 PetriNetUnfolderBase]: 154/893 cut-off events. [2023-11-26 12:02:33,230 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2023-11-26 12:02:33,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 893 events. 154/893 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3000 event pairs, 11 based on Foata normal form. 0/778 useless extension candidates. Maximal degree in co-relation 1076. Up to 94 conditions per place. [2023-11-26 12:02:33,243 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 33 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2023-11-26 12:02:33,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 406 transitions, 926 flow [2023-11-26 12:02:33,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2023-11-26 12:02:33,249 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7896678966789668 [2023-11-26 12:02:33,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1284 transitions. [2023-11-26 12:02:33,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1284 transitions. [2023-11-26 12:02:33,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:33,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1284 transitions. [2023-11-26 12:02:33,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 12:02:33,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:33,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:33,260 INFO L175 Difference]: Start difference. First operand has 387 places, 392 transitions, 812 flow. Second operand 3 states and 1284 transitions. [2023-11-26 12:02:33,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 406 transitions, 926 flow [2023-11-26 12:02:33,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 406 transitions, 922 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:33,271 INFO L231 Difference]: Finished difference. Result has 387 places, 392 transitions, 816 flow [2023-11-26 12:02:33,272 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=387, PETRI_TRANSITIONS=392} [2023-11-26 12:02:33,272 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -113 predicate places. [2023-11-26 12:02:33,273 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 392 transitions, 816 flow [2023-11-26 12:02:33,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:33,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:33,274 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:33,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 12:02:33,274 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:33,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1818267745, now seen corresponding path program 1 times [2023-11-26 12:02:33,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:33,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369792584] [2023-11-26 12:02:33,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:33,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,342 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 12:02:33,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:33,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369792584] [2023-11-26 12:02:33,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369792584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:33,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:33,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:33,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361895721] [2023-11-26 12:02:33,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:33,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:33,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:33,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:33,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:33,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:33,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 392 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:33,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:33,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:33,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:33,617 INFO L124 PetriNetUnfolderBase]: 154/910 cut-off events. [2023-11-26 12:02:33,617 INFO L125 PetriNetUnfolderBase]: For 97/97 co-relation queries the response was YES. [2023-11-26 12:02:33,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 910 events. 154/910 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3139 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1123. Up to 179 conditions per place. [2023-11-26 12:02:33,637 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2023-11-26 12:02:33,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 391 transitions, 860 flow [2023-11-26 12:02:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:33,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:33,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:33,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:33,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:33,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:33,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:33,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:33,655 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:33,655 INFO L175 Difference]: Start difference. First operand has 387 places, 392 transitions, 816 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:33,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 391 transitions, 860 flow [2023-11-26 12:02:33,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 391 transitions, 858 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:33,666 INFO L231 Difference]: Finished difference. Result has 387 places, 391 transitions, 816 flow [2023-11-26 12:02:33,667 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=387, PETRI_TRANSITIONS=391} [2023-11-26 12:02:33,667 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -113 predicate places. [2023-11-26 12:02:33,667 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 391 transitions, 816 flow [2023-11-26 12:02:33,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:33,668 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:33,669 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:33,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 12:02:33,669 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:33,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:33,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1099681960, now seen corresponding path program 1 times [2023-11-26 12:02:33,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:33,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193332101] [2023-11-26 12:02:33,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:33,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,738 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 12:02:33,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:33,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193332101] [2023-11-26 12:02:33,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193332101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:33,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:33,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:33,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987977087] [2023-11-26 12:02:33,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:33,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:33,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:33,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:33,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:33,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 542 [2023-11-26 12:02:33,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 391 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:33,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:33,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 542 [2023-11-26 12:02:33,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:34,016 INFO L124 PetriNetUnfolderBase]: 154/909 cut-off events. [2023-11-26 12:02:34,017 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-26 12:02:34,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 909 events. 154/909 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3136 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1115. Up to 180 conditions per place. [2023-11-26 12:02:34,029 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 22 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2023-11-26 12:02:34,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 390 transitions, 862 flow [2023-11-26 12:02:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:34,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2023-11-26 12:02:34,034 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7767527675276753 [2023-11-26 12:02:34,035 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1263 transitions. [2023-11-26 12:02:34,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1263 transitions. [2023-11-26 12:02:34,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:34,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1263 transitions. [2023-11-26 12:02:34,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:34,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:34,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:34,045 INFO L175 Difference]: Start difference. First operand has 387 places, 391 transitions, 816 flow. Second operand 3 states and 1263 transitions. [2023-11-26 12:02:34,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 390 transitions, 862 flow [2023-11-26 12:02:34,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 390 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:34,055 INFO L231 Difference]: Finished difference. Result has 386 places, 390 transitions, 814 flow [2023-11-26 12:02:34,056 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=386, PETRI_TRANSITIONS=390} [2023-11-26 12:02:34,056 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -114 predicate places. [2023-11-26 12:02:34,056 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 390 transitions, 814 flow [2023-11-26 12:02:34,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 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 12:02:34,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:34,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:34,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 12:02:34,058 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:34,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:34,058 INFO L85 PathProgramCache]: Analyzing trace with hash 77630954, now seen corresponding path program 1 times [2023-11-26 12:02:34,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:34,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341931741] [2023-11-26 12:02:34,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:34,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:34,122 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 12:02:34,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:34,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341931741] [2023-11-26 12:02:34,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341931741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:34,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:34,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:34,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154924574] [2023-11-26 12:02:34,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:34,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:34,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:34,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:34,133 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-26 12:02:34,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 390 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:34,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:34,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-26 12:02:34,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:34,394 INFO L124 PetriNetUnfolderBase]: 154/908 cut-off events. [2023-11-26 12:02:34,394 INFO L125 PetriNetUnfolderBase]: For 97/97 co-relation queries the response was YES. [2023-11-26 12:02:34,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 908 events. 154/908 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3156 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1112. Up to 177 conditions per place. [2023-11-26 12:02:34,407 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 20 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2023-11-26 12:02:34,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 389 transitions, 854 flow [2023-11-26 12:02:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-11-26 12:02:34,412 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7822878228782287 [2023-11-26 12:02:34,412 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-11-26 12:02:34,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-11-26 12:02:34,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:34,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-11-26 12:02:34,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 12:02:34,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:34,422 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:34,422 INFO L175 Difference]: Start difference. First operand has 386 places, 390 transitions, 814 flow. Second operand 3 states and 1272 transitions. [2023-11-26 12:02:34,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 389 transitions, 854 flow [2023-11-26 12:02:34,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 389 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:34,433 INFO L231 Difference]: Finished difference. Result has 385 places, 389 transitions, 810 flow [2023-11-26 12:02:34,434 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=385, PETRI_TRANSITIONS=389} [2023-11-26 12:02:34,434 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -115 predicate places. [2023-11-26 12:02:34,434 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 389 transitions, 810 flow [2023-11-26 12:02:34,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 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 12:02:34,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:34,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:34,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 12:02:34,436 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:34,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:34,437 INFO L85 PathProgramCache]: Analyzing trace with hash 446654491, now seen corresponding path program 1 times [2023-11-26 12:02:34,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:34,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745592970] [2023-11-26 12:02:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:34,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:34,523 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 12:02:34,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:34,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745592970] [2023-11-26 12:02:34,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745592970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:34,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:34,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:34,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258758936] [2023-11-26 12:02:34,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:34,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:34,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:34,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:34,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:34,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:34,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 389 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:34,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:34,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:34,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:34,797 INFO L124 PetriNetUnfolderBase]: 154/907 cut-off events. [2023-11-26 12:02:34,798 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-26 12:02:34,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 907 events. 154/907 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3151 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1111. Up to 179 conditions per place. [2023-11-26 12:02:34,811 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2023-11-26 12:02:34,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 388 transitions, 854 flow [2023-11-26 12:02:34,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:34,816 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:34,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:34,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:34,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:34,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:34,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:34,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:34,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:34,826 INFO L175 Difference]: Start difference. First operand has 385 places, 389 transitions, 810 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:34,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 388 transitions, 854 flow [2023-11-26 12:02:34,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 388 transitions, 853 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:34,837 INFO L231 Difference]: Finished difference. Result has 385 places, 388 transitions, 811 flow [2023-11-26 12:02:34,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=385, PETRI_TRANSITIONS=388} [2023-11-26 12:02:34,838 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -115 predicate places. [2023-11-26 12:02:34,838 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 388 transitions, 811 flow [2023-11-26 12:02:34,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:34,839 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:34,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:34,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 12:02:34,840 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:34,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:34,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1385131391, now seen corresponding path program 1 times [2023-11-26 12:02:34,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:34,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697939701] [2023-11-26 12:02:34,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:34,921 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 12:02:34,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:34,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697939701] [2023-11-26 12:02:34,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697939701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:34,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:34,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:34,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527414099] [2023-11-26 12:02:34,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:34,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:34,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:34,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:34,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:34,934 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:34,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 388 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:34,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:34,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:34,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:35,209 INFO L124 PetriNetUnfolderBase]: 154/906 cut-off events. [2023-11-26 12:02:35,209 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-26 12:02:35,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 906 events. 154/906 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3126 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1112. Up to 179 conditions per place. [2023-11-26 12:02:35,220 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2023-11-26 12:02:35,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 387 transitions, 855 flow [2023-11-26 12:02:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:35,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:35,225 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:35,226 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:35,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:35,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:35,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:35,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:35,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:35,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:35,236 INFO L175 Difference]: Start difference. First operand has 385 places, 388 transitions, 811 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:35,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 387 transitions, 855 flow [2023-11-26 12:02:35,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 387 transitions, 851 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:35,245 INFO L231 Difference]: Finished difference. Result has 384 places, 387 transitions, 809 flow [2023-11-26 12:02:35,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=809, PETRI_PLACES=384, PETRI_TRANSITIONS=387} [2023-11-26 12:02:35,246 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -116 predicate places. [2023-11-26 12:02:35,247 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 387 transitions, 809 flow [2023-11-26 12:02:35,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:35,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:35,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:35,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 12:02:35,248 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:35,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:35,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2077842257, now seen corresponding path program 1 times [2023-11-26 12:02:35,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:35,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799875626] [2023-11-26 12:02:35,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:35,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:35,329 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 12:02:35,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799875626] [2023-11-26 12:02:35,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799875626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:35,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:35,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:35,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915185925] [2023-11-26 12:02:35,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:35,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:35,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:35,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:35,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:35,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 542 [2023-11-26 12:02:35,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 387 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:35,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:35,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 542 [2023-11-26 12:02:35,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:35,616 INFO L124 PetriNetUnfolderBase]: 154/905 cut-off events. [2023-11-26 12:02:35,617 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-26 12:02:35,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 905 events. 154/905 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3122 event pairs, 22 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1111. Up to 179 conditions per place. [2023-11-26 12:02:35,630 INFO L140 encePairwiseOnDemand]: 539/542 looper letters, 21 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2023-11-26 12:02:35,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 386 transitions, 853 flow [2023-11-26 12:02:35,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1265 transitions. [2023-11-26 12:02:35,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7779827798277983 [2023-11-26 12:02:35,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1265 transitions. [2023-11-26 12:02:35,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1265 transitions. [2023-11-26 12:02:35,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:35,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1265 transitions. [2023-11-26 12:02:35,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 12:02:35,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:35,646 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:35,646 INFO L175 Difference]: Start difference. First operand has 384 places, 387 transitions, 809 flow. Second operand 3 states and 1265 transitions. [2023-11-26 12:02:35,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 386 transitions, 853 flow [2023-11-26 12:02:35,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 386 transitions, 849 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:35,657 INFO L231 Difference]: Finished difference. Result has 383 places, 386 transitions, 807 flow [2023-11-26 12:02:35,658 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=383, PETRI_TRANSITIONS=386} [2023-11-26 12:02:35,659 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-26 12:02:35,659 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 386 transitions, 807 flow [2023-11-26 12:02:35,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:02:35,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:35,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:35,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 12:02:35,661 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:35,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:35,662 INFO L85 PathProgramCache]: Analyzing trace with hash -193563679, now seen corresponding path program 1 times [2023-11-26 12:02:35,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:35,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676769010] [2023-11-26 12:02:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:35,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:35,772 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 12:02:35,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:35,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676769010] [2023-11-26 12:02:35,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676769010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:35,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:35,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:35,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282220036] [2023-11-26 12:02:35,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:35,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:35,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:35,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:35,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:35,790 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 542 [2023-11-26 12:02:35,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 386 transitions, 807 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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 12:02:35,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:35,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 542 [2023-11-26 12:02:35,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:36,504 INFO L124 PetriNetUnfolderBase]: 578/1739 cut-off events. [2023-11-26 12:02:36,505 INFO L125 PetriNetUnfolderBase]: For 304/317 co-relation queries the response was YES. [2023-11-26 12:02:36,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2805 conditions, 1739 events. 578/1739 cut-off events. For 304/317 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 8433 event pairs, 22 based on Foata normal form. 3/1548 useless extension candidates. Maximal degree in co-relation 2739. Up to 566 conditions per place. [2023-11-26 12:02:36,536 INFO L140 encePairwiseOnDemand]: 533/542 looper letters, 31 selfloop transitions, 7 changer transitions 0/394 dead transitions. [2023-11-26 12:02:36,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 394 transitions, 912 flow [2023-11-26 12:02:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2023-11-26 12:02:36,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7785977859778598 [2023-11-26 12:02:36,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2023-11-26 12:02:36,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2023-11-26 12:02:36,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:36,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2023-11-26 12:02:36,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 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 12:02:36,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:36,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:36,552 INFO L175 Difference]: Start difference. First operand has 383 places, 386 transitions, 807 flow. Second operand 3 states and 1266 transitions. [2023-11-26 12:02:36,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 394 transitions, 912 flow [2023-11-26 12:02:36,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 394 transitions, 908 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:36,563 INFO L231 Difference]: Finished difference. Result has 380 places, 383 transitions, 820 flow [2023-11-26 12:02:36,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=380, PETRI_TRANSITIONS=383} [2023-11-26 12:02:36,564 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-26 12:02:36,565 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 383 transitions, 820 flow [2023-11-26 12:02:36,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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 12:02:36,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:36,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:36,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-26 12:02:36,566 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:36,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:36,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1866622381, now seen corresponding path program 1 times [2023-11-26 12:02:36,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:36,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687946675] [2023-11-26 12:02:36,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:36,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:36,662 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 12:02:36,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:36,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687946675] [2023-11-26 12:02:36,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687946675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:36,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:36,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:36,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598307742] [2023-11-26 12:02:36,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:36,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:36,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:36,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:36,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:36,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 542 [2023-11-26 12:02:36,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 383 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 12:02:36,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:36,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 542 [2023-11-26 12:02:36,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:37,489 INFO L124 PetriNetUnfolderBase]: 722/2223 cut-off events. [2023-11-26 12:02:37,490 INFO L125 PetriNetUnfolderBase]: For 1440/1474 co-relation queries the response was YES. [2023-11-26 12:02:37,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3731 conditions, 2223 events. 722/2223 cut-off events. For 1440/1474 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 13104 event pairs, 34 based on Foata normal form. 10/1944 useless extension candidates. Maximal degree in co-relation 3665. Up to 668 conditions per place. [2023-11-26 12:02:37,523 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 32 selfloop transitions, 4 changer transitions 0/395 dead transitions. [2023-11-26 12:02:37,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 395 transitions, 950 flow [2023-11-26 12:02:37,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:37,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2023-11-26 12:02:37,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7865928659286593 [2023-11-26 12:02:37,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1279 transitions. [2023-11-26 12:02:37,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1279 transitions. [2023-11-26 12:02:37,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:37,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1279 transitions. [2023-11-26 12:02:37,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 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 12:02:37,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:37,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:37,540 INFO L175 Difference]: Start difference. First operand has 380 places, 383 transitions, 820 flow. Second operand 3 states and 1279 transitions. [2023-11-26 12:02:37,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 395 transitions, 950 flow [2023-11-26 12:02:37,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 395 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:37,552 INFO L231 Difference]: Finished difference. Result has 380 places, 382 transitions, 825 flow [2023-11-26 12:02:37,552 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=825, PETRI_PLACES=380, PETRI_TRANSITIONS=382} [2023-11-26 12:02:37,553 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-26 12:02:37,553 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 382 transitions, 825 flow [2023-11-26 12:02:37,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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 12:02:37,554 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:37,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:37,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-26 12:02:37,555 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:37,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1323020297, now seen corresponding path program 1 times [2023-11-26 12:02:37,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:37,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944684728] [2023-11-26 12:02:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,644 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 12:02:37,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:37,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944684728] [2023-11-26 12:02:37,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944684728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:37,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:37,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:37,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541970472] [2023-11-26 12:02:37,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:37,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:37,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:37,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:37,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:37,655 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 542 [2023-11-26 12:02:37,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 382 transitions, 825 flow. Second operand has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 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 12:02:37,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:37,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 542 [2023-11-26 12:02:37,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:38,588 INFO L124 PetriNetUnfolderBase]: 794/2833 cut-off events. [2023-11-26 12:02:38,589 INFO L125 PetriNetUnfolderBase]: For 1844/1892 co-relation queries the response was YES. [2023-11-26 12:02:38,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4708 conditions, 2833 events. 794/2833 cut-off events. For 1844/1892 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 20873 event pairs, 42 based on Foata normal form. 16/2428 useless extension candidates. Maximal degree in co-relation 4641. Up to 824 conditions per place. [2023-11-26 12:02:38,629 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 31 selfloop transitions, 4 changer transitions 0/393 dead transitions. [2023-11-26 12:02:38,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 393 transitions, 953 flow [2023-11-26 12:02:38,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2023-11-26 12:02:38,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7859778597785978 [2023-11-26 12:02:38,635 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2023-11-26 12:02:38,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2023-11-26 12:02:38,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:38,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2023-11-26 12:02:38,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 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 12:02:38,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:38,646 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:38,646 INFO L175 Difference]: Start difference. First operand has 380 places, 382 transitions, 825 flow. Second operand 3 states and 1278 transitions. [2023-11-26 12:02:38,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 393 transitions, 953 flow [2023-11-26 12:02:38,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 393 transitions, 946 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:38,657 INFO L231 Difference]: Finished difference. Result has 380 places, 381 transitions, 833 flow [2023-11-26 12:02:38,658 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=380, PETRI_TRANSITIONS=381} [2023-11-26 12:02:38,658 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-26 12:02:38,658 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 381 transitions, 833 flow [2023-11-26 12:02:38,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 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 12:02:38,659 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:38,660 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:38,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-26 12:02:38,660 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:38,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:38,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1442222588, now seen corresponding path program 1 times [2023-11-26 12:02:38,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:38,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833128327] [2023-11-26 12:02:38,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:38,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:39,770 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 12:02:39,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:39,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833128327] [2023-11-26 12:02:39,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833128327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:39,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:39,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:39,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820207532] [2023-11-26 12:02:39,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:39,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:39,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:39,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:39,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:40,046 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 542 [2023-11-26 12:02:40,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 381 transitions, 833 flow. Second operand has 6 states, 6 states have (on average 401.6666666666667) internal successors, (2410), 6 states have internal predecessors, (2410), 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 12:02:40,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:40,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 542 [2023-11-26 12:02:40,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:41,179 INFO L124 PetriNetUnfolderBase]: 554/1913 cut-off events. [2023-11-26 12:02:41,179 INFO L125 PetriNetUnfolderBase]: For 1664/1664 co-relation queries the response was YES. [2023-11-26 12:02:41,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3503 conditions, 1913 events. 554/1913 cut-off events. For 1664/1664 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9870 event pairs, 10 based on Foata normal form. 0/1724 useless extension candidates. Maximal degree in co-relation 3433. Up to 384 conditions per place. [2023-11-26 12:02:41,230 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 81 selfloop transitions, 4 changer transitions 0/428 dead transitions. [2023-11-26 12:02:41,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 428 transitions, 1269 flow [2023-11-26 12:02:41,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2466 transitions. [2023-11-26 12:02:41,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7583025830258303 [2023-11-26 12:02:41,239 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2466 transitions. [2023-11-26 12:02:41,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2466 transitions. [2023-11-26 12:02:41,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:41,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2466 transitions. [2023-11-26 12:02:41,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 411.0) internal successors, (2466), 6 states have internal predecessors, (2466), 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 12:02:41,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:41,256 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:41,257 INFO L175 Difference]: Start difference. First operand has 380 places, 381 transitions, 833 flow. Second operand 6 states and 2466 transitions. [2023-11-26 12:02:41,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 428 transitions, 1269 flow [2023-11-26 12:02:41,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 428 transitions, 1253 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:41,270 INFO L231 Difference]: Finished difference. Result has 383 places, 380 transitions, 835 flow [2023-11-26 12:02:41,271 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=835, PETRI_PLACES=383, PETRI_TRANSITIONS=380} [2023-11-26 12:02:41,271 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-26 12:02:41,272 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 380 transitions, 835 flow [2023-11-26 12:02:41,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 401.6666666666667) internal successors, (2410), 6 states have internal predecessors, (2410), 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 12:02:41,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:41,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:41,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-26 12:02:41,274 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:41,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:41,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1206226792, now seen corresponding path program 1 times [2023-11-26 12:02:41,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:41,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611418127] [2023-11-26 12:02:41,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:41,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:42,273 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 12:02:42,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:42,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611418127] [2023-11-26 12:02:42,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611418127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:42,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:42,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:42,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126978005] [2023-11-26 12:02:42,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:42,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:42,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:42,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:42,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:42,508 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 542 [2023-11-26 12:02:42,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 380 transitions, 835 flow. Second operand has 6 states, 6 states have (on average 401.8333333333333) internal successors, (2411), 6 states have internal predecessors, (2411), 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 12:02:42,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:42,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 542 [2023-11-26 12:02:42,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:43,454 INFO L124 PetriNetUnfolderBase]: 556/1919 cut-off events. [2023-11-26 12:02:43,455 INFO L125 PetriNetUnfolderBase]: For 1168/1168 co-relation queries the response was YES. [2023-11-26 12:02:43,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3562 conditions, 1919 events. 556/1919 cut-off events. For 1168/1168 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 10284 event pairs, 26 based on Foata normal form. 0/1744 useless extension candidates. Maximal degree in co-relation 3491. Up to 320 conditions per place. [2023-11-26 12:02:43,490 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 57 selfloop transitions, 4 changer transitions 0/403 dead transitions. [2023-11-26 12:02:43,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 403 transitions, 1083 flow [2023-11-26 12:02:43,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2450 transitions. [2023-11-26 12:02:43,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7533825338253383 [2023-11-26 12:02:43,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2450 transitions. [2023-11-26 12:02:43,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2450 transitions. [2023-11-26 12:02:43,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:43,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2450 transitions. [2023-11-26 12:02:43,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 408.3333333333333) internal successors, (2450), 6 states have internal predecessors, (2450), 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 12:02:43,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:43,514 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:43,514 INFO L175 Difference]: Start difference. First operand has 383 places, 380 transitions, 835 flow. Second operand 6 states and 2450 transitions. [2023-11-26 12:02:43,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 403 transitions, 1083 flow [2023-11-26 12:02:43,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 403 transitions, 1076 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:43,525 INFO L231 Difference]: Finished difference. Result has 383 places, 379 transitions, 834 flow [2023-11-26 12:02:43,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=834, PETRI_PLACES=383, PETRI_TRANSITIONS=379} [2023-11-26 12:02:43,527 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-26 12:02:43,527 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 379 transitions, 834 flow [2023-11-26 12:02:43,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 401.8333333333333) internal successors, (2411), 6 states have internal predecessors, (2411), 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 12:02:43,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:43,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:43,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-26 12:02:43,529 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:43,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:43,529 INFO L85 PathProgramCache]: Analyzing trace with hash -308015642, now seen corresponding path program 1 times [2023-11-26 12:02:43,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:43,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123431050] [2023-11-26 12:02:43,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:43,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:44,462 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 12:02:44,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:44,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123431050] [2023-11-26 12:02:44,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123431050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:44,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:44,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:44,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235923427] [2023-11-26 12:02:44,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:44,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:44,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:44,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:44,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:44,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 542 [2023-11-26 12:02:44,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 379 transitions, 834 flow. Second operand has 6 states, 6 states have (on average 402.0) internal successors, (2412), 6 states have internal predecessors, (2412), 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 12:02:44,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:44,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 542 [2023-11-26 12:02:44,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:45,733 INFO L124 PetriNetUnfolderBase]: 560/1961 cut-off events. [2023-11-26 12:02:45,733 INFO L125 PetriNetUnfolderBase]: For 1140/1160 co-relation queries the response was YES. [2023-11-26 12:02:45,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3736 conditions, 1961 events. 560/1961 cut-off events. For 1140/1160 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 10724 event pairs, 42 based on Foata normal form. 16/1820 useless extension candidates. Maximal degree in co-relation 3665. Up to 450 conditions per place. [2023-11-26 12:02:45,760 INFO L140 encePairwiseOnDemand]: 537/542 looper letters, 45 selfloop transitions, 4 changer transitions 0/390 dead transitions. [2023-11-26 12:02:45,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 390 transitions, 994 flow [2023-11-26 12:02:45,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2442 transitions. [2023-11-26 12:02:45,770 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7509225092250923 [2023-11-26 12:02:45,770 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2442 transitions. [2023-11-26 12:02:45,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2442 transitions. [2023-11-26 12:02:45,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:45,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2442 transitions. [2023-11-26 12:02:45,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 407.0) internal successors, (2442), 6 states have internal predecessors, (2442), 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 12:02:45,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:45,788 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 542.0) internal successors, (3794), 7 states have internal predecessors, (3794), 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 12:02:45,788 INFO L175 Difference]: Start difference. First operand has 383 places, 379 transitions, 834 flow. Second operand 6 states and 2442 transitions. [2023-11-26 12:02:45,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 390 transitions, 994 flow [2023-11-26 12:02:45,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 390 transitions, 987 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:45,801 INFO L231 Difference]: Finished difference. Result has 383 places, 378 transitions, 833 flow [2023-11-26 12:02:45,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=383, PETRI_TRANSITIONS=378} [2023-11-26 12:02:45,802 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -117 predicate places. [2023-11-26 12:02:45,803 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 378 transitions, 833 flow [2023-11-26 12:02:45,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 402.0) internal successors, (2412), 6 states have internal predecessors, (2412), 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 12:02:45,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:45,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:45,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-26 12:02:45,805 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2023-11-26 12:02:45,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash 685504974, now seen corresponding path program 1 times [2023-11-26 12:02:45,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:45,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605840347] [2023-11-26 12:02:45,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:45,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:45,921 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 12:02:45,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:45,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605840347] [2023-11-26 12:02:45,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605840347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:45,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:45,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:45,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006865201] [2023-11-26 12:02:45,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:45,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:45,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:45,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:45,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:45,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 542 [2023-11-26 12:02:45,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 378 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:45,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:45,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 542 [2023-11-26 12:02:45,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:46,404 INFO L124 PetriNetUnfolderBase]: 240/1557 cut-off events. [2023-11-26 12:02:46,405 INFO L125 PetriNetUnfolderBase]: For 560/560 co-relation queries the response was YES. [2023-11-26 12:02:46,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2493 conditions, 1557 events. 240/1557 cut-off events. For 560/560 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 8747 event pairs, 42 based on Foata normal form. 64/1468 useless extension candidates. Maximal degree in co-relation 2423. Up to 345 conditions per place. [2023-11-26 12:02:46,422 INFO L140 encePairwiseOnDemand]: 540/542 looper letters, 0 selfloop transitions, 0 changer transitions 377/377 dead transitions. [2023-11-26 12:02:46,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 377 transitions, 871 flow [2023-11-26 12:02:46,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1271 transitions. [2023-11-26 12:02:46,428 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7816728167281672 [2023-11-26 12:02:46,428 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1271 transitions. [2023-11-26 12:02:46,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1271 transitions. [2023-11-26 12:02:46,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:46,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1271 transitions. [2023-11-26 12:02:46,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.6666666666667) internal successors, (1271), 3 states have internal predecessors, (1271), 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 12:02:46,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:46,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 542.0) internal successors, (2168), 4 states have internal predecessors, (2168), 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 12:02:46,436 INFO L175 Difference]: Start difference. First operand has 383 places, 378 transitions, 833 flow. Second operand 3 states and 1271 transitions. [2023-11-26 12:02:46,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 377 transitions, 871 flow [2023-11-26 12:02:46,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 377 transitions, 864 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:46,444 INFO L231 Difference]: Finished difference. Result has 380 places, 0 transitions, 0 flow [2023-11-26 12:02:46,445 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=542, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=380, PETRI_TRANSITIONS=0} [2023-11-26 12:02:46,446 INFO L281 CegarLoopForPetriNet]: 500 programPoint places, -120 predicate places. [2023-11-26 12:02:46,446 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 0 transitions, 0 flow [2023-11-26 12:02:46,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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 12:02:46,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (230 of 231 remaining) [2023-11-26 12:02:46,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (229 of 231 remaining) [2023-11-26 12:02:46,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (228 of 231 remaining) [2023-11-26 12:02:46,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (227 of 231 remaining) [2023-11-26 12:02:46,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (226 of 231 remaining) [2023-11-26 12:02:46,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (225 of 231 remaining) [2023-11-26 12:02:46,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (224 of 231 remaining) [2023-11-26 12:02:46,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (223 of 231 remaining) [2023-11-26 12:02:46,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (222 of 231 remaining) [2023-11-26 12:02:46,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (221 of 231 remaining) [2023-11-26 12:02:46,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (220 of 231 remaining) [2023-11-26 12:02:46,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (219 of 231 remaining) [2023-11-26 12:02:46,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (218 of 231 remaining) [2023-11-26 12:02:46,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (217 of 231 remaining) [2023-11-26 12:02:46,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (216 of 231 remaining) [2023-11-26 12:02:46,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (215 of 231 remaining) [2023-11-26 12:02:46,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (214 of 231 remaining) [2023-11-26 12:02:46,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (213 of 231 remaining) [2023-11-26 12:02:46,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (212 of 231 remaining) [2023-11-26 12:02:46,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (211 of 231 remaining) [2023-11-26 12:02:46,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (210 of 231 remaining) [2023-11-26 12:02:46,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (209 of 231 remaining) [2023-11-26 12:02:46,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (208 of 231 remaining) [2023-11-26 12:02:46,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (207 of 231 remaining) [2023-11-26 12:02:46,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (206 of 231 remaining) [2023-11-26 12:02:46,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (205 of 231 remaining) [2023-11-26 12:02:46,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (204 of 231 remaining) [2023-11-26 12:02:46,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (203 of 231 remaining) [2023-11-26 12:02:46,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (202 of 231 remaining) [2023-11-26 12:02:46,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (201 of 231 remaining) [2023-11-26 12:02:46,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (200 of 231 remaining) [2023-11-26 12:02:46,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (199 of 231 remaining) [2023-11-26 12:02:46,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (198 of 231 remaining) [2023-11-26 12:02:46,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (197 of 231 remaining) [2023-11-26 12:02:46,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (196 of 231 remaining) [2023-11-26 12:02:46,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (195 of 231 remaining) [2023-11-26 12:02:46,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (194 of 231 remaining) [2023-11-26 12:02:46,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (193 of 231 remaining) [2023-11-26 12:02:46,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (192 of 231 remaining) [2023-11-26 12:02:46,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (191 of 231 remaining) [2023-11-26 12:02:46,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (190 of 231 remaining) [2023-11-26 12:02:46,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (189 of 231 remaining) [2023-11-26 12:02:46,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (188 of 231 remaining) [2023-11-26 12:02:46,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (187 of 231 remaining) [2023-11-26 12:02:46,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (186 of 231 remaining) [2023-11-26 12:02:46,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (185 of 231 remaining) [2023-11-26 12:02:46,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (184 of 231 remaining) [2023-11-26 12:02:46,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (183 of 231 remaining) [2023-11-26 12:02:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (182 of 231 remaining) [2023-11-26 12:02:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (181 of 231 remaining) [2023-11-26 12:02:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (180 of 231 remaining) [2023-11-26 12:02:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (179 of 231 remaining) [2023-11-26 12:02:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (178 of 231 remaining) [2023-11-26 12:02:46,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (177 of 231 remaining) [2023-11-26 12:02:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (176 of 231 remaining) [2023-11-26 12:02:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (175 of 231 remaining) [2023-11-26 12:02:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (174 of 231 remaining) [2023-11-26 12:02:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (173 of 231 remaining) [2023-11-26 12:02:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (172 of 231 remaining) [2023-11-26 12:02:46,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (171 of 231 remaining) [2023-11-26 12:02:46,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (170 of 231 remaining) [2023-11-26 12:02:46,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (169 of 231 remaining) [2023-11-26 12:02:46,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (168 of 231 remaining) [2023-11-26 12:02:46,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (167 of 231 remaining) [2023-11-26 12:02:46,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (166 of 231 remaining) [2023-11-26 12:02:46,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (165 of 231 remaining) [2023-11-26 12:02:46,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (164 of 231 remaining) [2023-11-26 12:02:46,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (163 of 231 remaining) [2023-11-26 12:02:46,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (162 of 231 remaining) [2023-11-26 12:02:46,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (161 of 231 remaining) [2023-11-26 12:02:46,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (160 of 231 remaining) [2023-11-26 12:02:46,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (159 of 231 remaining) [2023-11-26 12:02:46,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (158 of 231 remaining) [2023-11-26 12:02:46,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (157 of 231 remaining) [2023-11-26 12:02:46,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (156 of 231 remaining) [2023-11-26 12:02:46,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (155 of 231 remaining) [2023-11-26 12:02:46,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (154 of 231 remaining) [2023-11-26 12:02:46,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (153 of 231 remaining) [2023-11-26 12:02:46,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (152 of 231 remaining) [2023-11-26 12:02:46,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (151 of 231 remaining) [2023-11-26 12:02:46,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (150 of 231 remaining) [2023-11-26 12:02:46,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (149 of 231 remaining) [2023-11-26 12:02:46,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (148 of 231 remaining) [2023-11-26 12:02:46,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (147 of 231 remaining) [2023-11-26 12:02:46,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (146 of 231 remaining) [2023-11-26 12:02:46,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (145 of 231 remaining) [2023-11-26 12:02:46,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (144 of 231 remaining) [2023-11-26 12:02:46,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (143 of 231 remaining) [2023-11-26 12:02:46,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (142 of 231 remaining) [2023-11-26 12:02:46,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (141 of 231 remaining) [2023-11-26 12:02:46,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (140 of 231 remaining) [2023-11-26 12:02:46,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (139 of 231 remaining) [2023-11-26 12:02:46,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (138 of 231 remaining) [2023-11-26 12:02:46,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (137 of 231 remaining) [2023-11-26 12:02:46,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (136 of 231 remaining) [2023-11-26 12:02:46,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (135 of 231 remaining) [2023-11-26 12:02:46,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (134 of 231 remaining) [2023-11-26 12:02:46,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (133 of 231 remaining) [2023-11-26 12:02:46,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (132 of 231 remaining) [2023-11-26 12:02:46,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (131 of 231 remaining) [2023-11-26 12:02:46,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (130 of 231 remaining) [2023-11-26 12:02:46,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (129 of 231 remaining) [2023-11-26 12:02:46,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (128 of 231 remaining) [2023-11-26 12:02:46,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (127 of 231 remaining) [2023-11-26 12:02:46,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (126 of 231 remaining) [2023-11-26 12:02:46,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (125 of 231 remaining) [2023-11-26 12:02:46,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (124 of 231 remaining) [2023-11-26 12:02:46,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (123 of 231 remaining) [2023-11-26 12:02:46,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (122 of 231 remaining) [2023-11-26 12:02:46,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (121 of 231 remaining) [2023-11-26 12:02:46,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (120 of 231 remaining) [2023-11-26 12:02:46,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (119 of 231 remaining) [2023-11-26 12:02:46,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (118 of 231 remaining) [2023-11-26 12:02:46,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (117 of 231 remaining) [2023-11-26 12:02:46,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (116 of 231 remaining) [2023-11-26 12:02:46,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (115 of 231 remaining) [2023-11-26 12:02:46,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (114 of 231 remaining) [2023-11-26 12:02:46,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (113 of 231 remaining) [2023-11-26 12:02:46,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (112 of 231 remaining) [2023-11-26 12:02:46,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (111 of 231 remaining) [2023-11-26 12:02:46,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (110 of 231 remaining) [2023-11-26 12:02:46,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (109 of 231 remaining) [2023-11-26 12:02:46,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (108 of 231 remaining) [2023-11-26 12:02:46,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (107 of 231 remaining) [2023-11-26 12:02:46,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (106 of 231 remaining) [2023-11-26 12:02:46,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (105 of 231 remaining) [2023-11-26 12:02:46,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (104 of 231 remaining) [2023-11-26 12:02:46,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (103 of 231 remaining) [2023-11-26 12:02:46,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 231 remaining) [2023-11-26 12:02:46,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 231 remaining) [2023-11-26 12:02:46,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 231 remaining) [2023-11-26 12:02:46,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (99 of 231 remaining) [2023-11-26 12:02:46,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (98 of 231 remaining) [2023-11-26 12:02:46,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (97 of 231 remaining) [2023-11-26 12:02:46,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (96 of 231 remaining) [2023-11-26 12:02:46,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 231 remaining) [2023-11-26 12:02:46,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (94 of 231 remaining) [2023-11-26 12:02:46,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (93 of 231 remaining) [2023-11-26 12:02:46,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (92 of 231 remaining) [2023-11-26 12:02:46,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (91 of 231 remaining) [2023-11-26 12:02:46,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (90 of 231 remaining) [2023-11-26 12:02:46,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (89 of 231 remaining) [2023-11-26 12:02:46,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (88 of 231 remaining) [2023-11-26 12:02:46,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (87 of 231 remaining) [2023-11-26 12:02:46,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (86 of 231 remaining) [2023-11-26 12:02:46,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (85 of 231 remaining) [2023-11-26 12:02:46,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (84 of 231 remaining) [2023-11-26 12:02:46,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (83 of 231 remaining) [2023-11-26 12:02:46,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (82 of 231 remaining) [2023-11-26 12:02:46,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (81 of 231 remaining) [2023-11-26 12:02:46,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (80 of 231 remaining) [2023-11-26 12:02:46,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (79 of 231 remaining) [2023-11-26 12:02:46,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (78 of 231 remaining) [2023-11-26 12:02:46,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (77 of 231 remaining) [2023-11-26 12:02:46,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (76 of 231 remaining) [2023-11-26 12:02:46,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (75 of 231 remaining) [2023-11-26 12:02:46,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (74 of 231 remaining) [2023-11-26 12:02:46,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (73 of 231 remaining) [2023-11-26 12:02:46,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (72 of 231 remaining) [2023-11-26 12:02:46,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (71 of 231 remaining) [2023-11-26 12:02:46,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (70 of 231 remaining) [2023-11-26 12:02:46,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (69 of 231 remaining) [2023-11-26 12:02:46,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (68 of 231 remaining) [2023-11-26 12:02:46,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (67 of 231 remaining) [2023-11-26 12:02:46,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (66 of 231 remaining) [2023-11-26 12:02:46,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (65 of 231 remaining) [2023-11-26 12:02:46,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (64 of 231 remaining) [2023-11-26 12:02:46,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (63 of 231 remaining) [2023-11-26 12:02:46,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (62 of 231 remaining) [2023-11-26 12:02:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (61 of 231 remaining) [2023-11-26 12:02:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (60 of 231 remaining) [2023-11-26 12:02:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (59 of 231 remaining) [2023-11-26 12:02:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (58 of 231 remaining) [2023-11-26 12:02:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (57 of 231 remaining) [2023-11-26 12:02:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (56 of 231 remaining) [2023-11-26 12:02:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (55 of 231 remaining) [2023-11-26 12:02:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (54 of 231 remaining) [2023-11-26 12:02:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (53 of 231 remaining) [2023-11-26 12:02:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (52 of 231 remaining) [2023-11-26 12:02:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (51 of 231 remaining) [2023-11-26 12:02:46,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (50 of 231 remaining) [2023-11-26 12:02:46,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 231 remaining) [2023-11-26 12:02:46,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 231 remaining) [2023-11-26 12:02:46,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 231 remaining) [2023-11-26 12:02:46,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 231 remaining) [2023-11-26 12:02:46,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 231 remaining) [2023-11-26 12:02:46,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 231 remaining) [2023-11-26 12:02:46,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 231 remaining) [2023-11-26 12:02:46,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 231 remaining) [2023-11-26 12:02:46,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 231 remaining) [2023-11-26 12:02:46,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 231 remaining) [2023-11-26 12:02:46,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 231 remaining) [2023-11-26 12:02:46,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 231 remaining) [2023-11-26 12:02:46,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (37 of 231 remaining) [2023-11-26 12:02:46,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (36 of 231 remaining) [2023-11-26 12:02:46,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (35 of 231 remaining) [2023-11-26 12:02:46,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (34 of 231 remaining) [2023-11-26 12:02:46,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (33 of 231 remaining) [2023-11-26 12:02:46,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (32 of 231 remaining) [2023-11-26 12:02:46,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (31 of 231 remaining) [2023-11-26 12:02:46,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (30 of 231 remaining) [2023-11-26 12:02:46,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (29 of 231 remaining) [2023-11-26 12:02:46,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (28 of 231 remaining) [2023-11-26 12:02:46,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (27 of 231 remaining) [2023-11-26 12:02:46,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (26 of 231 remaining) [2023-11-26 12:02:46,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (25 of 231 remaining) [2023-11-26 12:02:46,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 231 remaining) [2023-11-26 12:02:46,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 231 remaining) [2023-11-26 12:02:46,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 231 remaining) [2023-11-26 12:02:46,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 231 remaining) [2023-11-26 12:02:46,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (20 of 231 remaining) [2023-11-26 12:02:46,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (19 of 231 remaining) [2023-11-26 12:02:46,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (18 of 231 remaining) [2023-11-26 12:02:46,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (17 of 231 remaining) [2023-11-26 12:02:46,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (16 of 231 remaining) [2023-11-26 12:02:46,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (15 of 231 remaining) [2023-11-26 12:02:46,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (14 of 231 remaining) [2023-11-26 12:02:46,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (13 of 231 remaining) [2023-11-26 12:02:46,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (12 of 231 remaining) [2023-11-26 12:02:46,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (11 of 231 remaining) [2023-11-26 12:02:46,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (10 of 231 remaining) [2023-11-26 12:02:46,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (9 of 231 remaining) [2023-11-26 12:02:46,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (8 of 231 remaining) [2023-11-26 12:02:46,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (7 of 231 remaining) [2023-11-26 12:02:46,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (6 of 231 remaining) [2023-11-26 12:02:46,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (5 of 231 remaining) [2023-11-26 12:02:46,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (4 of 231 remaining) [2023-11-26 12:02:46,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (3 of 231 remaining) [2023-11-26 12:02:46,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (2 of 231 remaining) [2023-11-26 12:02:46,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (1 of 231 remaining) [2023-11-26 12:02:46,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (0 of 231 remaining) [2023-11-26 12:02:46,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-26 12:02:46,491 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, 1, 1, 1, 1, 1] [2023-11-26 12:02:46,498 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 12:02:46,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:02:46,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:02:46 BasicIcfg [2023-11-26 12:02:46,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:02:46,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:02:46,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:02:46,507 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:02:46,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:25" (3/4) ... [2023-11-26 12:02:46,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:02:46,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 12:02:46,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 12:02:46,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 12:02:46,536 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-26 12:02:46,537 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 12:02:46,538 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:02:46,539 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:02:46,696 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:02:46,697 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:02:46,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:02:46,698 INFO L158 Benchmark]: Toolchain (without parser) took 24433.78ms. Allocated memory was 127.9MB in the beginning and 717.2MB in the end (delta: 589.3MB). Free memory was 83.4MB in the beginning and 325.4MB in the end (delta: -242.1MB). Peak memory consumption was 349.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:46,698 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:02:46,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.51ms. Allocated memory is still 127.9MB. Free memory was 82.7MB in the beginning and 68.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:02:46,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.27ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 62.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:46,700 INFO L158 Benchmark]: Boogie Preprocessor took 152.47ms. Allocated memory is still 127.9MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:46,700 INFO L158 Benchmark]: RCFGBuilder took 2624.21ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 58.2MB in the beginning and 114.0MB in the end (delta: -55.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:46,701 INFO L158 Benchmark]: TraceAbstraction took 20926.28ms. Allocated memory was 163.6MB in the beginning and 717.2MB in the end (delta: 553.6MB). Free memory was 112.9MB in the beginning and 333.8MB in the end (delta: -220.9MB). Peak memory consumption was 331.7MB. Max. memory is 16.1GB. [2023-11-26 12:02:46,701 INFO L158 Benchmark]: Witness Printer took 190.54ms. Allocated memory is still 717.2MB. Free memory was 333.8MB in the beginning and 325.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:02:46,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 127.9MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.51ms. Allocated memory is still 127.9MB. Free memory was 82.7MB in the beginning and 68.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.27ms. Allocated memory is still 127.9MB. Free memory was 67.5MB in the beginning and 62.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.47ms. Allocated memory is still 127.9MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2624.21ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 58.2MB in the beginning and 114.0MB in the end (delta: -55.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * TraceAbstraction took 20926.28ms. Allocated memory was 163.6MB in the beginning and 717.2MB in the end (delta: 553.6MB). Free memory was 112.9MB in the beginning and 333.8MB in the end (delta: -220.9MB). Peak memory consumption was 331.7MB. Max. memory is 16.1GB. * Witness Printer took 190.54ms. Allocated memory is still 717.2MB. Free memory was 333.8MB in the beginning and 325.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: 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: 55]: 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: 55]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 73]: 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: 75]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 95]: 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: 97]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: 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: 112]: 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: 113]: 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: 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: 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: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: 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: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: 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, 672 locations, 231 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: 20.7s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 861 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 415 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2163 IncrementalHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 150 mSDtfsCounter, 2163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1050occurred in iteration=0, InterpolantAutomatonStates: 99, 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, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 4354 NumberOfCodeBlocks, 4354 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4325 ConstructedInterpolants, 0 QuantifiedInterpolants, 4733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 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 128 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 12:02:46,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e588fd1b-7119-48fc-94f0-5d798887be19/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE