./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/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_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/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_bcfaec19-afe3-443a-b3de-dc57b2903fa8/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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:45:11,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:45:11,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:45:11,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:45:11,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:45:11,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:45:11,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:45:11,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:45:11,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:45:11,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:45:11,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:45:11,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:45:11,512 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:45:11,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:45:11,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:45:11,514 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:45:11,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:45:11,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:45:11,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:45:11,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:45:11,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:45:11,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:45:11,518 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:45:11,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:45:11,519 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:45:11,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:45:11,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:45:11,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:45:11,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:45:11,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:45:11,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:11,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:45:11,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:45:11,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:45:11,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:45:11,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:45:11,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:45:11,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:45:11,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:45:11,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:45:11,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:45:11,528 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_bcfaec19-afe3-443a-b3de-dc57b2903fa8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2023-11-26 11:45:11,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:45:11,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:45:11,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:45:11,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:45:11,909 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:45:11,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-26 11:45:15,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:45:15,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:45:15,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-26 11:45:15,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/data/8ece64b84/9533a666d60548358a6255e190277ebc/FLAG9e8b04577 [2023-11-26 11:45:15,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/data/8ece64b84/9533a666d60548358a6255e190277ebc [2023-11-26 11:45:15,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:45:15,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:45:15,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:15,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:45:15,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:45:15,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:15,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303138d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15, skipping insertion in model container [2023-11-26 11:45:15,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:15,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:45:15,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:15,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:45:15,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:45:15,897 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:45:15,898 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:45:15,908 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:45:15,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15 WrapperNode [2023-11-26 11:45:15,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:45:15,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:15,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:45:15,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:45:15,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:15,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:15,976 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 242 [2023-11-26 11:45:15,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:45:15,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:45:15,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:45:15,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:45:15,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:15,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:45:16,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:45:16,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:45:16,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:45:16,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (1/1) ... [2023-11-26 11:45:16,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:45:16,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:45:16,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:45:16,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:45:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:45:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:45:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:45:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:45:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:45:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:45:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:45:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:45:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:45:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:45:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:45:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:45:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:45:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:45:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:45:16,191 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:45:16,426 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:45:16,430 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:45:17,085 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:45:17,576 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:45:17,576 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:45:17,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:17 BoogieIcfgContainer [2023-11-26 11:45:17,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:45:17,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:45:17,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:45:17,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:45:17,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:45:15" (1/3) ... [2023-11-26 11:45:17,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c544d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:17, skipping insertion in model container [2023-11-26 11:45:17,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:15" (2/3) ... [2023-11-26 11:45:17,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c544d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:17, skipping insertion in model container [2023-11-26 11:45:17,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:17" (3/3) ... [2023-11-26 11:45:17,595 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2023-11-26 11:45:17,607 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:45:17,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:45:17,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-26 11:45:17,621 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:45:17,747 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:45:17,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 197 places, 199 transitions, 412 flow [2023-11-26 11:45:17,934 INFO L124 PetriNetUnfolderBase]: 9/197 cut-off events. [2023-11-26 11:45:17,935 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:45:17,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 197 events. 9/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 209 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2023-11-26 11:45:17,945 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 199 transitions, 412 flow [2023-11-26 11:45:17,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 175 places, 176 transitions, 364 flow [2023-11-26 11:45:17,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:45:17,993 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;@3d6142e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:45:17,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2023-11-26 11:45:18,006 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:45:18,007 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2023-11-26 11:45:18,007 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:45:18,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:18,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:45:18,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:18,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:18,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1865418986, now seen corresponding path program 1 times [2023-11-26 11:45:18,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:18,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127427207] [2023-11-26 11:45:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:18,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:18,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:18,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127427207] [2023-11-26 11:45:18,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127427207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:18,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:18,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:18,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968240717] [2023-11-26 11:45:18,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:18,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:18,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:18,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:18,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:18,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 199 [2023-11-26 11:45:18,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 176 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:18,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 199 [2023-11-26 11:45:18,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:18,529 INFO L124 PetriNetUnfolderBase]: 10/182 cut-off events. [2023-11-26 11:45:18,529 INFO L125 PetriNetUnfolderBase]: For 17/19 co-relation queries the response was YES. [2023-11-26 11:45:18,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 182 events. 10/182 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 201 event pairs, 0 based on Foata normal form. 12/177 useless extension candidates. Maximal degree in co-relation 128. Up to 21 conditions per place. [2023-11-26 11:45:18,535 INFO L140 encePairwiseOnDemand]: 172/199 looper letters, 10 selfloop transitions, 2 changer transitions 2/151 dead transitions. [2023-11-26 11:45:18,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 151 transitions, 338 flow [2023-11-26 11:45:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2023-11-26 11:45:18,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8609715242881072 [2023-11-26 11:45:18,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 514 transitions. [2023-11-26 11:45:18,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 514 transitions. [2023-11-26 11:45:18,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:18,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 514 transitions. [2023-11-26 11:45:18,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,579 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,581 INFO L175 Difference]: Start difference. First operand has 175 places, 176 transitions, 364 flow. Second operand 3 states and 514 transitions. [2023-11-26 11:45:18,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 151 transitions, 338 flow [2023-11-26 11:45:18,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 151 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:45:18,592 INFO L231 Difference]: Finished difference. Result has 153 places, 149 transitions, 306 flow [2023-11-26 11:45:18,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=153, PETRI_TRANSITIONS=149} [2023-11-26 11:45:18,599 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -22 predicate places. [2023-11-26 11:45:18,599 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 149 transitions, 306 flow [2023-11-26 11:45:18,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:18,601 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] [2023-11-26 11:45:18,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:45:18,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:18,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:18,603 INFO L85 PathProgramCache]: Analyzing trace with hash 698432545, now seen corresponding path program 1 times [2023-11-26 11:45:18,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:18,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683711451] [2023-11-26 11:45:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:18,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:18,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:18,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683711451] [2023-11-26 11:45:18,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683711451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:18,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:18,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:18,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466876043] [2023-11-26 11:45:18,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:18,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:18,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:18,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:18,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:18,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 199 [2023-11-26 11:45:18,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 149 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:18,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 199 [2023-11-26 11:45:18,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:18,826 INFO L124 PetriNetUnfolderBase]: 10/179 cut-off events. [2023-11-26 11:45:18,826 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-26 11:45:18,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 179 events. 10/179 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 199 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 182. Up to 21 conditions per place. [2023-11-26 11:45:18,828 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 10 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2023-11-26 11:45:18,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 148 transitions, 328 flow [2023-11-26 11:45:18,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:18,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2023-11-26 11:45:18,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8207705192629816 [2023-11-26 11:45:18,832 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 490 transitions. [2023-11-26 11:45:18,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 490 transitions. [2023-11-26 11:45:18,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:18,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 490 transitions. [2023-11-26 11:45:18,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,840 INFO L175 Difference]: Start difference. First operand has 153 places, 149 transitions, 306 flow. Second operand 3 states and 490 transitions. [2023-11-26 11:45:18,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 148 transitions, 328 flow [2023-11-26 11:45:18,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 148 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:45:18,847 INFO L231 Difference]: Finished difference. Result has 150 places, 148 transitions, 304 flow [2023-11-26 11:45:18,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=150, PETRI_TRANSITIONS=148} [2023-11-26 11:45:18,849 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -25 predicate places. [2023-11-26 11:45:18,850 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 148 transitions, 304 flow [2023-11-26 11:45:18,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,853 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:18,854 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] [2023-11-26 11:45:18,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:45:18,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:18,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:18,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1661466328, now seen corresponding path program 1 times [2023-11-26 11:45:18,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:18,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099145345] [2023-11-26 11:45:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:18,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:18,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:18,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099145345] [2023-11-26 11:45:18,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099145345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:18,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:18,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:18,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912228133] [2023-11-26 11:45:18,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:18,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:18,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:18,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:18,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:18,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 199 [2023-11-26 11:45:18,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 148 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:18,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:18,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 199 [2023-11-26 11:45:18,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:19,005 INFO L124 PetriNetUnfolderBase]: 10/178 cut-off events. [2023-11-26 11:45:19,005 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-26 11:45:19,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 178 events. 10/178 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 199 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 173. Up to 21 conditions per place. [2023-11-26 11:45:19,007 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 10 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2023-11-26 11:45:19,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 147 transitions, 326 flow [2023-11-26 11:45:19,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2023-11-26 11:45:19,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8207705192629816 [2023-11-26 11:45:19,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 490 transitions. [2023-11-26 11:45:19,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 490 transitions. [2023-11-26 11:45:19,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:19,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 490 transitions. [2023-11-26 11:45:19,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,015 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,015 INFO L175 Difference]: Start difference. First operand has 150 places, 148 transitions, 304 flow. Second operand 3 states and 490 transitions. [2023-11-26 11:45:19,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 147 transitions, 326 flow [2023-11-26 11:45:19,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 147 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:45:19,020 INFO L231 Difference]: Finished difference. Result has 149 places, 147 transitions, 302 flow [2023-11-26 11:45:19,021 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=149, PETRI_TRANSITIONS=147} [2023-11-26 11:45:19,021 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -26 predicate places. [2023-11-26 11:45:19,022 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 147 transitions, 302 flow [2023-11-26 11:45:19,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:19,022 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] [2023-11-26 11:45:19,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:45:19,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:19,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:19,023 INFO L85 PathProgramCache]: Analyzing trace with hash 522852378, now seen corresponding path program 1 times [2023-11-26 11:45:19,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:19,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333152068] [2023-11-26 11:45:19,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:19,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:19,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:19,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333152068] [2023-11-26 11:45:19,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333152068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:19,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:19,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:19,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142815690] [2023-11-26 11:45:19,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:19,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:19,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:19,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:19,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:19,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 199 [2023-11-26 11:45:19,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 147 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:19,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 199 [2023-11-26 11:45:19,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:19,134 INFO L124 PetriNetUnfolderBase]: 11/190 cut-off events. [2023-11-26 11:45:19,134 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-26 11:45:19,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 190 events. 11/190 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 256 event pairs, 0 based on Foata normal form. 1/178 useless extension candidates. Maximal degree in co-relation 177. Up to 13 conditions per place. [2023-11-26 11:45:19,136 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 11 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2023-11-26 11:45:19,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 150 transitions, 336 flow [2023-11-26 11:45:19,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 503 transitions. [2023-11-26 11:45:19,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8425460636515912 [2023-11-26 11:45:19,139 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 503 transitions. [2023-11-26 11:45:19,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 503 transitions. [2023-11-26 11:45:19,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:19,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 503 transitions. [2023-11-26 11:45:19,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,145 INFO L175 Difference]: Start difference. First operand has 149 places, 147 transitions, 302 flow. Second operand 3 states and 503 transitions. [2023-11-26 11:45:19,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 150 transitions, 336 flow [2023-11-26 11:45:19,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 150 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:45:19,149 INFO L231 Difference]: Finished difference. Result has 149 places, 147 transitions, 306 flow [2023-11-26 11:45:19,150 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=149, PETRI_TRANSITIONS=147} [2023-11-26 11:45:19,151 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -26 predicate places. [2023-11-26 11:45:19,151 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 147 transitions, 306 flow [2023-11-26 11:45:19,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,152 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:19,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:45:19,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:45:19,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:19,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:19,153 INFO L85 PathProgramCache]: Analyzing trace with hash -818148839, now seen corresponding path program 1 times [2023-11-26 11:45:19,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:19,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311149986] [2023-11-26 11:45:19,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:19,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:19,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:19,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311149986] [2023-11-26 11:45:19,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311149986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:19,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:19,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:19,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672098917] [2023-11-26 11:45:19,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:19,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:19,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:19,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:19,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:19,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 199 [2023-11-26 11:45:19,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:19,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 199 [2023-11-26 11:45:19,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:19,299 INFO L124 PetriNetUnfolderBase]: 11/189 cut-off events. [2023-11-26 11:45:19,299 INFO L125 PetriNetUnfolderBase]: For 13/15 co-relation queries the response was YES. [2023-11-26 11:45:19,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 189 events. 11/189 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 2 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 131. Up to 23 conditions per place. [2023-11-26 11:45:19,304 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 10 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2023-11-26 11:45:19,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 146 transitions, 328 flow [2023-11-26 11:45:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2023-11-26 11:45:19,307 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8241206030150754 [2023-11-26 11:45:19,307 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions. [2023-11-26 11:45:19,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions. [2023-11-26 11:45:19,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:19,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions. [2023-11-26 11:45:19,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,313 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,313 INFO L175 Difference]: Start difference. First operand has 149 places, 147 transitions, 306 flow. Second operand 3 states and 492 transitions. [2023-11-26 11:45:19,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 146 transitions, 328 flow [2023-11-26 11:45:19,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 146 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:45:19,317 INFO L231 Difference]: Finished difference. Result has 149 places, 146 transitions, 306 flow [2023-11-26 11:45:19,318 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=149, PETRI_TRANSITIONS=146} [2023-11-26 11:45:19,321 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -26 predicate places. [2023-11-26 11:45:19,321 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 306 flow [2023-11-26 11:45:19,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:19,322 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] [2023-11-26 11:45:19,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:45:19,323 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:19,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:19,324 INFO L85 PathProgramCache]: Analyzing trace with hash 467950519, now seen corresponding path program 1 times [2023-11-26 11:45:19,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:19,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600390640] [2023-11-26 11:45:19,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:19,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600390640] [2023-11-26 11:45:19,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600390640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:19,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:19,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:19,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069974581] [2023-11-26 11:45:19,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:19,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:19,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:19,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:19,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:19,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 199 [2023-11-26 11:45:19,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:19,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 199 [2023-11-26 11:45:19,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:19,479 INFO L124 PetriNetUnfolderBase]: 11/188 cut-off events. [2023-11-26 11:45:19,479 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2023-11-26 11:45:19,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 188 events. 11/188 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 249 event pairs, 2 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 174. Up to 21 conditions per place. [2023-11-26 11:45:19,481 INFO L140 encePairwiseOnDemand]: 197/199 looper letters, 9 selfloop transitions, 1 changer transitions 0/145 dead transitions. [2023-11-26 11:45:19,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 145 transitions, 324 flow [2023-11-26 11:45:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2023-11-26 11:45:19,483 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8358458961474037 [2023-11-26 11:45:19,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 499 transitions. [2023-11-26 11:45:19,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 499 transitions. [2023-11-26 11:45:19,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:19,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 499 transitions. [2023-11-26 11:45:19,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,490 INFO L175 Difference]: Start difference. First operand has 149 places, 146 transitions, 306 flow. Second operand 3 states and 499 transitions. [2023-11-26 11:45:19,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 145 transitions, 324 flow [2023-11-26 11:45:19,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 145 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:45:19,494 INFO L231 Difference]: Finished difference. Result has 148 places, 145 transitions, 302 flow [2023-11-26 11:45:19,494 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=148, PETRI_TRANSITIONS=145} [2023-11-26 11:45:19,497 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -27 predicate places. [2023-11-26 11:45:19,498 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 145 transitions, 302 flow [2023-11-26 11:45:19,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:19,499 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:19,499 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] [2023-11-26 11:45:19,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:45:19,500 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:19,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:19,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1254471521, now seen corresponding path program 1 times [2023-11-26 11:45:19,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:19,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214568393] [2023-11-26 11:45:19,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:20,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:20,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214568393] [2023-11-26 11:45:20,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214568393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:20,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:20,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:45:20,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770712344] [2023-11-26 11:45:20,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:20,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:45:20,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:20,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:45:20,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:45:20,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 199 [2023-11-26 11:45:20,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 145 transitions, 302 flow. Second operand has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:20,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 199 [2023-11-26 11:45:20,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:20,370 INFO L124 PetriNetUnfolderBase]: 51/253 cut-off events. [2023-11-26 11:45:20,370 INFO L125 PetriNetUnfolderBase]: For 36/39 co-relation queries the response was YES. [2023-11-26 11:45:20,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 253 events. 51/253 cut-off events. For 36/39 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 569 event pairs, 22 based on Foata normal form. 0/236 useless extension candidates. Maximal degree in co-relation 337. Up to 92 conditions per place. [2023-11-26 11:45:20,373 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 23 selfloop transitions, 5 changer transitions 0/144 dead transitions. [2023-11-26 11:45:20,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 144 transitions, 356 flow [2023-11-26 11:45:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:45:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:45:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 898 transitions. [2023-11-26 11:45:20,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7520938023450586 [2023-11-26 11:45:20,377 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 898 transitions. [2023-11-26 11:45:20,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 898 transitions. [2023-11-26 11:45:20,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:20,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 898 transitions. [2023-11-26 11:45:20,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.66666666666666) internal successors, (898), 6 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,385 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,385 INFO L175 Difference]: Start difference. First operand has 148 places, 145 transitions, 302 flow. Second operand 6 states and 898 transitions. [2023-11-26 11:45:20,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 144 transitions, 356 flow [2023-11-26 11:45:20,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 144 transitions, 355 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:45:20,390 INFO L231 Difference]: Finished difference. Result has 151 places, 144 transitions, 309 flow [2023-11-26 11:45:20,390 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=309, PETRI_PLACES=151, PETRI_TRANSITIONS=144} [2023-11-26 11:45:20,391 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -24 predicate places. [2023-11-26 11:45:20,391 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 144 transitions, 309 flow [2023-11-26 11:45:20,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.5) internal successors, (879), 6 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:20,393 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] [2023-11-26 11:45:20,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:45:20,393 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:20,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:20,394 INFO L85 PathProgramCache]: Analyzing trace with hash 899921739, now seen corresponding path program 1 times [2023-11-26 11:45:20,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:20,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878695120] [2023-11-26 11:45:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:20,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:20,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:20,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878695120] [2023-11-26 11:45:20,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878695120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:20,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:20,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:20,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608672513] [2023-11-26 11:45:20,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:20,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:20,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:20,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:20,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:20,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 199 [2023-11-26 11:45:20,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 144 transitions, 309 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:20,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 199 [2023-11-26 11:45:20,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:20,512 INFO L124 PetriNetUnfolderBase]: 11/186 cut-off events. [2023-11-26 11:45:20,513 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2023-11-26 11:45:20,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 186 events. 11/186 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 242 event pairs, 2 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 210. Up to 23 conditions per place. [2023-11-26 11:45:20,514 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 10 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2023-11-26 11:45:20,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 143 transitions, 331 flow [2023-11-26 11:45:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2023-11-26 11:45:20,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8241206030150754 [2023-11-26 11:45:20,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions. [2023-11-26 11:45:20,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions. [2023-11-26 11:45:20,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:20,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions. [2023-11-26 11:45:20,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,522 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,522 INFO L175 Difference]: Start difference. First operand has 151 places, 144 transitions, 309 flow. Second operand 3 states and 492 transitions. [2023-11-26 11:45:20,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 143 transitions, 331 flow [2023-11-26 11:45:20,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 143 transitions, 321 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:45:20,527 INFO L231 Difference]: Finished difference. Result has 147 places, 143 transitions, 301 flow [2023-11-26 11:45:20,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=147, PETRI_TRANSITIONS=143} [2023-11-26 11:45:20,528 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -28 predicate places. [2023-11-26 11:45:20,528 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 143 transitions, 301 flow [2023-11-26 11:45:20,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:20,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:20,529 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] [2023-11-26 11:45:20,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:45:20,530 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:20,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:20,530 INFO L85 PathProgramCache]: Analyzing trace with hash 170771040, now seen corresponding path program 1 times [2023-11-26 11:45:20,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:20,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869433191] [2023-11-26 11:45:20,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:20,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:21,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869433191] [2023-11-26 11:45:21,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869433191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:21,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:21,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:45:21,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096385669] [2023-11-26 11:45:21,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:21,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:45:21,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:21,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:45:21,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:45:21,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 199 [2023-11-26 11:45:21,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 143 transitions, 301 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:21,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:21,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 199 [2023-11-26 11:45:21,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:21,714 INFO L124 PetriNetUnfolderBase]: 51/241 cut-off events. [2023-11-26 11:45:21,715 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-26 11:45:21,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 241 events. 51/241 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 478 event pairs, 1 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 310. Up to 32 conditions per place. [2023-11-26 11:45:21,717 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 26 selfloop transitions, 4 changer transitions 0/154 dead transitions. [2023-11-26 11:45:21,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 154 transitions, 399 flow [2023-11-26 11:45:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:45:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:45:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 944 transitions. [2023-11-26 11:45:21,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7906197654941374 [2023-11-26 11:45:21,722 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 944 transitions. [2023-11-26 11:45:21,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 944 transitions. [2023-11-26 11:45:21,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:21,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 944 transitions. [2023-11-26 11:45:21,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 157.33333333333334) internal successors, (944), 6 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:21,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:21,730 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:21,731 INFO L175 Difference]: Start difference. First operand has 147 places, 143 transitions, 301 flow. Second operand 6 states and 944 transitions. [2023-11-26 11:45:21,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 154 transitions, 399 flow [2023-11-26 11:45:21,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 154 transitions, 395 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:45:21,736 INFO L231 Difference]: Finished difference. Result has 149 places, 142 transitions, 303 flow [2023-11-26 11:45:21,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=303, PETRI_PLACES=149, PETRI_TRANSITIONS=142} [2023-11-26 11:45:21,737 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -26 predicate places. [2023-11-26 11:45:21,737 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 142 transitions, 303 flow [2023-11-26 11:45:21,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:21,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:21,738 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] [2023-11-26 11:45:21,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:45:21,739 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:21,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash 41350811, now seen corresponding path program 1 times [2023-11-26 11:45:21,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:21,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484658705] [2023-11-26 11:45:21,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:22,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:22,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484658705] [2023-11-26 11:45:22,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484658705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:22,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:22,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:45:22,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441648900] [2023-11-26 11:45:22,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:22,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:45:22,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:22,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:45:22,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:45:22,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 199 [2023-11-26 11:45:22,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 142 transitions, 303 flow. Second operand has 6 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:22,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 199 [2023-11-26 11:45:22,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:22,614 INFO L124 PetriNetUnfolderBase]: 21/199 cut-off events. [2023-11-26 11:45:22,615 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2023-11-26 11:45:22,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 199 events. 21/199 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 299 event pairs, 2 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 220. Up to 24 conditions per place. [2023-11-26 11:45:22,617 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 22 selfloop transitions, 4 changer transitions 0/149 dead transitions. [2023-11-26 11:45:22,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 149 transitions, 385 flow [2023-11-26 11:45:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:45:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:45:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 940 transitions. [2023-11-26 11:45:22,622 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7872696817420436 [2023-11-26 11:45:22,622 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 940 transitions. [2023-11-26 11:45:22,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 940 transitions. [2023-11-26 11:45:22,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:22,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 940 transitions. [2023-11-26 11:45:22,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.66666666666666) internal successors, (940), 6 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,633 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,633 INFO L175 Difference]: Start difference. First operand has 149 places, 142 transitions, 303 flow. Second operand 6 states and 940 transitions. [2023-11-26 11:45:22,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 149 transitions, 385 flow [2023-11-26 11:45:22,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 149 transitions, 378 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:45:22,638 INFO L231 Difference]: Finished difference. Result has 149 places, 141 transitions, 302 flow [2023-11-26 11:45:22,639 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=302, PETRI_PLACES=149, PETRI_TRANSITIONS=141} [2023-11-26 11:45:22,640 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -26 predicate places. [2023-11-26 11:45:22,640 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 141 transitions, 302 flow [2023-11-26 11:45:22,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,641 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:45:22,642 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] [2023-11-26 11:45:22,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:45:22,642 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-26 11:45:22,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:45:22,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1258396961, now seen corresponding path program 1 times [2023-11-26 11:45:22,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:45:22,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169351031] [2023-11-26 11:45:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:45:22,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:45:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:45:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:45:22,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:45:22,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169351031] [2023-11-26 11:45:22,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169351031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:45:22,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:45:22,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:45:22,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671653166] [2023-11-26 11:45:22,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:45:22,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:45:22,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:45:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:45:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:45:22,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 199 [2023-11-26 11:45:22,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 141 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:45:22,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 199 [2023-11-26 11:45:22,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:45:22,781 INFO L124 PetriNetUnfolderBase]: 11/182 cut-off events. [2023-11-26 11:45:22,781 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2023-11-26 11:45:22,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 182 events. 11/182 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 229 event pairs, 2 based on Foata normal form. 2/176 useless extension candidates. Maximal degree in co-relation 200. Up to 21 conditions per place. [2023-11-26 11:45:22,783 INFO L140 encePairwiseOnDemand]: 197/199 looper letters, 0 selfloop transitions, 0 changer transitions 140/140 dead transitions. [2023-11-26 11:45:22,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 140 transitions, 318 flow [2023-11-26 11:45:22,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:45:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:45:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2023-11-26 11:45:22,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8341708542713567 [2023-11-26 11:45:22,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 498 transitions. [2023-11-26 11:45:22,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 498 transitions. [2023-11-26 11:45:22,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:45:22,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 498 transitions. [2023-11-26 11:45:22,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,797 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,797 INFO L175 Difference]: Start difference. First operand has 149 places, 141 transitions, 302 flow. Second operand 3 states and 498 transitions. [2023-11-26 11:45:22,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 140 transitions, 318 flow [2023-11-26 11:45:22,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 140 transitions, 311 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:45:22,802 INFO L231 Difference]: Finished difference. Result has 146 places, 0 transitions, 0 flow [2023-11-26 11:45:22,803 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=146, PETRI_TRANSITIONS=0} [2023-11-26 11:45:22,803 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -29 predicate places. [2023-11-26 11:45:22,804 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 0 transitions, 0 flow [2023-11-26 11:45:22,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:45:22,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2023-11-26 11:45:22,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2023-11-26 11:45:22,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2023-11-26 11:45:22,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2023-11-26 11:45:22,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2023-11-26 11:45:22,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2023-11-26 11:45:22,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2023-11-26 11:45:22,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2023-11-26 11:45:22,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2023-11-26 11:45:22,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2023-11-26 11:45:22,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2023-11-26 11:45:22,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2023-11-26 11:45:22,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2023-11-26 11:45:22,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2023-11-26 11:45:22,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2023-11-26 11:45:22,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2023-11-26 11:45:22,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2023-11-26 11:45:22,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2023-11-26 11:45:22,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2023-11-26 11:45:22,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2023-11-26 11:45:22,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2023-11-26 11:45:22,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2023-11-26 11:45:22,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2023-11-26 11:45:22,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2023-11-26 11:45:22,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2023-11-26 11:45:22,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2023-11-26 11:45:22,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2023-11-26 11:45:22,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2023-11-26 11:45:22,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2023-11-26 11:45:22,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2023-11-26 11:45:22,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 51 remaining) [2023-11-26 11:45:22,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 51 remaining) [2023-11-26 11:45:22,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2023-11-26 11:45:22,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2023-11-26 11:45:22,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2023-11-26 11:45:22,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2023-11-26 11:45:22,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2023-11-26 11:45:22,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2023-11-26 11:45:22,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2023-11-26 11:45:22,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2023-11-26 11:45:22,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2023-11-26 11:45:22,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2023-11-26 11:45:22,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2023-11-26 11:45:22,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2023-11-26 11:45:22,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2023-11-26 11:45:22,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2023-11-26 11:45:22,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2023-11-26 11:45:22,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2023-11-26 11:45:22,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2023-11-26 11:45:22,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2023-11-26 11:45:22,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2023-11-26 11:45:22,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:45:22,830 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:45:22,837 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:45:22,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:45:22,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:45:22 BasicIcfg [2023-11-26 11:45:22,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:45:22,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:45:22,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:45:22,846 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:45:22,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:17" (3/4) ... [2023-11-26 11:45:22,848 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:45:22,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:45:22,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:45:22,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-26 11:45:22,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:45:22,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:45:22,861 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:45:22,960 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:45:22,961 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:45:22,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:45:22,962 INFO L158 Benchmark]: Toolchain (without parser) took 7407.43ms. Allocated memory was 155.2MB in the beginning and 264.2MB in the end (delta: 109.1MB). Free memory was 114.9MB in the beginning and 103.3MB in the end (delta: 11.6MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-26 11:45:22,962 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:45:22,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.56ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 102.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:45:22,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.39ms. Allocated memory is still 155.2MB. Free memory was 102.6MB in the beginning and 100.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:45:22,963 INFO L158 Benchmark]: Boogie Preprocessor took 90.06ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 97.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:45:22,964 INFO L158 Benchmark]: RCFGBuilder took 1510.76ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 97.4MB in the beginning and 172.1MB in the end (delta: -74.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-26 11:45:22,964 INFO L158 Benchmark]: TraceAbstraction took 5261.07ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 171.1MB in the beginning and 109.6MB in the end (delta: 61.5MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2023-11-26 11:45:22,965 INFO L158 Benchmark]: Witness Printer took 115.69ms. Allocated memory is still 264.2MB. Free memory was 109.6MB in the beginning and 103.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:45:22,967 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.56ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 102.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.39ms. Allocated memory is still 155.2MB. Free memory was 102.6MB in the beginning and 100.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.06ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 97.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1510.76ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 97.4MB in the beginning and 172.1MB in the end (delta: -74.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5261.07ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 171.1MB in the beginning and 109.6MB in the end (delta: 61.5MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. * Witness Printer took 115.69ms. Allocated memory is still 264.2MB. Free memory was 109.6MB in the beginning and 103.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 97]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: 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 5 procedures, 230 locations, 51 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: 5.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 276 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 566 IncrementalHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 21 mSDtfsCounter, 566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 677 NumberOfCodeBlocks, 677 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 666 ConstructedInterpolants, 0 QuantifiedInterpolants, 959 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:45:22,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcfaec19-afe3-443a-b3de-dc57b2903fa8/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