./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB --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 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:26:25,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:26:25,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:26:25,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:26:25,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:26:25,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:26:25,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:26:25,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:26:25,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:26:25,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:26:25,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:26:25,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:26:25,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:26:25,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:26:25,568 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:26:25,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:25,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:25,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:25,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:26:25,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:25,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:25,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:25,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:26:25,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:26:25,572 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:26:25,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:26:25,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:26:25,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:26:25,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:26:25,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:26:25,574 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:26:25,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:26:25,574 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 6897befed0dbbae24492a1e82d50fcd0be6b3857b241d882a904d02a513d7a6d [2024-11-27 20:26:25,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:26:25,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:26:25,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:26:25,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:26:25,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:26:25,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2024-11-27 20:26:29,161 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/data/7ec48117e/efbec4bb3c9d43dc820aedd73591dec5/FLAG06eef8b6b [2024-11-27 20:26:29,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:26:29,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/sv-benchmarks/c/weaver/array-eq-symm.wvr.c [2024-11-27 20:26:29,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/data/7ec48117e/efbec4bb3c9d43dc820aedd73591dec5/FLAG06eef8b6b [2024-11-27 20:26:29,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/data/7ec48117e/efbec4bb3c9d43dc820aedd73591dec5 [2024-11-27 20:26:29,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:26:29,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:26:29,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:29,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:26:29,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:26:29,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:29" (1/1) ... [2024-11-27 20:26:29,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29260e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:29, skipping insertion in model container [2024-11-27 20:26:29,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:29" (1/1) ... [2024-11-27 20:26:29,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:26:29,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:29,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:26:29,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:29,999 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:26:30,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30 WrapperNode [2024-11-27 20:26:30,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:30,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:30,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:26:30,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:26:30,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,060 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 8, calls inlined = 10, statements flattened = 143 [2024-11-27 20:26:30,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:30,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:26:30,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:26:30,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:26:30,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,084 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:26:30,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:26:30,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:26:30,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:26:30,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (1/1) ... [2024-11-27 20:26:30,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:30,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:30,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:26:30,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:26:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:26:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:26:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 20:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:26:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:26:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 20:26:30,168 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:26:30,291 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:26:30,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:26:30,951 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:26:30,951 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:26:30,971 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:26:30,971 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 20:26:30,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:30 BoogieIcfgContainer [2024-11-27 20:26:30,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:26:30,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:26:30,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:26:30,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:26:30,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:26:29" (1/3) ... [2024-11-27 20:26:30,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40909633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:30, skipping insertion in model container [2024-11-27 20:26:30,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:30" (2/3) ... [2024-11-27 20:26:30,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40909633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:30, skipping insertion in model container [2024-11-27 20:26:30,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:30" (3/3) ... [2024-11-27 20:26:30,987 INFO L128 eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.c [2024-11-27 20:26:31,003 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:26:31,005 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG array-eq-symm.wvr.c that has 3 procedures, 304 locations, 1 initial locations, 4 loop locations, and 34 error locations. [2024-11-27 20:26:31,005 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:26:31,152 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 20:26:31,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 310 places, 320 transitions, 654 flow [2024-11-27 20:26:31,424 INFO L124 PetriNetUnfolderBase]: 17/318 cut-off events. [2024-11-27 20:26:31,429 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:26:31,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 318 events. 17/318 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 534 event pairs, 0 based on Foata normal form. 0/267 useless extension candidates. Maximal degree in co-relation 226. Up to 3 conditions per place. [2024-11-27 20:26:31,444 INFO L82 GeneralOperation]: Start removeDead. Operand has 310 places, 320 transitions, 654 flow [2024-11-27 20:26:31,458 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 292 places, 301 transitions, 614 flow [2024-11-27 20:26:31,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:26:31,493 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@1ee31e66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:26:31,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-27 20:26:31,504 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:26:31,505 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-27 20:26:31,505 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:26:31,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:31,506 INFO L206 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] [2024-11-27 20:26:31,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:31,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:31,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2140289480, now seen corresponding path program 1 times [2024-11-27 20:26:31,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:31,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925942100] [2024-11-27 20:26:31,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:31,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:31,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925942100] [2024-11-27 20:26:31,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925942100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:31,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:31,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:31,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124500224] [2024-11-27 20:26:31,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:31,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:31,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:31,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:31,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:31,856 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 320 [2024-11-27 20:26:31,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 301 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:31,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:31,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 320 [2024-11-27 20:26:31,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:32,064 INFO L124 PetriNetUnfolderBase]: 17/428 cut-off events. [2024-11-27 20:26:32,064 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-27 20:26:32,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 428 events. 17/428 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1199 event pairs, 3 based on Foata normal form. 14/366 useless extension candidates. Maximal degree in co-relation 287. Up to 19 conditions per place. [2024-11-27 20:26:32,073 INFO L140 encePairwiseOnDemand]: 309/320 looper letters, 10 selfloop transitions, 2 changer transitions 4/292 dead transitions. [2024-11-27 20:26:32,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 292 transitions, 620 flow [2024-11-27 20:26:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2024-11-27 20:26:32,101 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946875 [2024-11-27 20:26:32,103 INFO L175 Difference]: Start difference. First operand has 292 places, 301 transitions, 614 flow. Second operand 3 states and 909 transitions. [2024-11-27 20:26:32,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 292 transitions, 620 flow [2024-11-27 20:26:32,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 292 transitions, 612 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:26:32,144 INFO L231 Difference]: Finished difference. Result has 289 places, 288 transitions, 584 flow [2024-11-27 20:26:32,148 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=289, PETRI_TRANSITIONS=288} [2024-11-27 20:26:32,152 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -3 predicate places. [2024-11-27 20:26:32,153 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 288 transitions, 584 flow [2024-11-27 20:26:32,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:32,153 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:32,154 INFO L206 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] [2024-11-27 20:26:32,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:26:32,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:32,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:32,158 INFO L85 PathProgramCache]: Analyzing trace with hash 936205640, now seen corresponding path program 1 times [2024-11-27 20:26:32,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:32,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604176244] [2024-11-27 20:26:32,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:32,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:32,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:32,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604176244] [2024-11-27 20:26:32,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604176244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:32,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:32,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:32,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197522080] [2024-11-27 20:26:32,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:32,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:32,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:32,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:32,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:32,307 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 320 [2024-11-27 20:26:32,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 288 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:32,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:32,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 320 [2024-11-27 20:26:32,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:32,429 INFO L124 PetriNetUnfolderBase]: 17/425 cut-off events. [2024-11-27 20:26:32,429 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:26:32,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 425 events. 17/425 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1141 event pairs, 3 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 422. Up to 18 conditions per place. [2024-11-27 20:26:32,437 INFO L140 encePairwiseOnDemand]: 317/320 looper letters, 10 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2024-11-27 20:26:32,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 287 transitions, 606 flow [2024-11-27 20:26:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:32,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2024-11-27 20:26:32,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9385416666666667 [2024-11-27 20:26:32,442 INFO L175 Difference]: Start difference. First operand has 289 places, 288 transitions, 584 flow. Second operand 3 states and 901 transitions. [2024-11-27 20:26:32,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 287 transitions, 606 flow [2024-11-27 20:26:32,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 287 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:32,455 INFO L231 Difference]: Finished difference. Result has 284 places, 287 transitions, 582 flow [2024-11-27 20:26:32,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=284, PETRI_TRANSITIONS=287} [2024-11-27 20:26:32,460 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -8 predicate places. [2024-11-27 20:26:32,460 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 287 transitions, 582 flow [2024-11-27 20:26:32,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:32,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:32,461 INFO L206 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] [2024-11-27 20:26:32,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:26:32,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:32,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:32,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1398510588, now seen corresponding path program 1 times [2024-11-27 20:26:32,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:32,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253119643] [2024-11-27 20:26:32,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:32,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:32,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253119643] [2024-11-27 20:26:32,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253119643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:32,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:32,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:32,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304605712] [2024-11-27 20:26:32,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:32,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:32,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:32,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:32,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:32,609 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 320 [2024-11-27 20:26:32,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 287 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:32,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:32,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 320 [2024-11-27 20:26:32,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:32,802 INFO L124 PetriNetUnfolderBase]: 33/617 cut-off events. [2024-11-27 20:26:32,803 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:26:32,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 660 conditions, 617 events. 33/617 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2329 event pairs, 8 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 622. Up to 33 conditions per place. [2024-11-27 20:26:32,810 INFO L140 encePairwiseOnDemand]: 316/320 looper letters, 10 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-11-27 20:26:32,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 284 transitions, 598 flow [2024-11-27 20:26:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-27 20:26:32,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9395833333333333 [2024-11-27 20:26:32,818 INFO L175 Difference]: Start difference. First operand has 284 places, 287 transitions, 582 flow. Second operand 3 states and 902 transitions. [2024-11-27 20:26:32,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 284 transitions, 598 flow [2024-11-27 20:26:32,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 284 transitions, 594 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:32,827 INFO L231 Difference]: Finished difference. Result has 281 places, 284 transitions, 574 flow [2024-11-27 20:26:32,827 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=281, PETRI_TRANSITIONS=284} [2024-11-27 20:26:32,828 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -11 predicate places. [2024-11-27 20:26:32,828 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 284 transitions, 574 flow [2024-11-27 20:26:32,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:32,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:32,829 INFO L206 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] [2024-11-27 20:26:32,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:26:32,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:32,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:32,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1313220402, now seen corresponding path program 1 times [2024-11-27 20:26:32,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:32,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040885880] [2024-11-27 20:26:32,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:32,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:32,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040885880] [2024-11-27 20:26:32,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040885880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:32,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:32,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:32,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136991104] [2024-11-27 20:26:32,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:32,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:32,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:32,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:32,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:32,965 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 320 [2024-11-27 20:26:32,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 284 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:32,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:32,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 320 [2024-11-27 20:26:32,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:33,080 INFO L124 PetriNetUnfolderBase]: 14/355 cut-off events. [2024-11-27 20:26:33,080 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-27 20:26:33,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 355 events. 14/355 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 843 event pairs, 3 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 341. Up to 16 conditions per place. [2024-11-27 20:26:33,084 INFO L140 encePairwiseOnDemand]: 317/320 looper letters, 9 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-27 20:26:33,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 283 transitions, 594 flow [2024-11-27 20:26:33,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2024-11-27 20:26:33,089 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.940625 [2024-11-27 20:26:33,090 INFO L175 Difference]: Start difference. First operand has 281 places, 284 transitions, 574 flow. Second operand 3 states and 903 transitions. [2024-11-27 20:26:33,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 283 transitions, 594 flow [2024-11-27 20:26:33,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 283 transitions, 593 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:26:33,098 INFO L231 Difference]: Finished difference. Result has 281 places, 283 transitions, 575 flow [2024-11-27 20:26:33,099 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=281, PETRI_TRANSITIONS=283} [2024-11-27 20:26:33,099 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -11 predicate places. [2024-11-27 20:26:33,100 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 283 transitions, 575 flow [2024-11-27 20:26:33,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:33,101 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:33,101 INFO L206 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] [2024-11-27 20:26:33,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:26:33,102 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:33,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:33,104 INFO L85 PathProgramCache]: Analyzing trace with hash -852347701, now seen corresponding path program 1 times [2024-11-27 20:26:33,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:33,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241549369] [2024-11-27 20:26:33,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:33,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:34,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:34,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241549369] [2024-11-27 20:26:34,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241549369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:34,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:34,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:34,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725843390] [2024-11-27 20:26:34,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:34,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:34,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:34,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:34,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:34,438 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 320 [2024-11-27 20:26:34,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 283 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:34,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:34,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 320 [2024-11-27 20:26:34,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:34,856 INFO L124 PetriNetUnfolderBase]: 146/1248 cut-off events. [2024-11-27 20:26:34,856 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-11-27 20:26:34,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1497 conditions, 1248 events. 146/1248 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7381 event pairs, 80 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 1460. Up to 224 conditions per place. [2024-11-27 20:26:34,870 INFO L140 encePairwiseOnDemand]: 308/320 looper letters, 36 selfloop transitions, 10 changer transitions 0/281 dead transitions. [2024-11-27 20:26:34,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 281 transitions, 663 flow [2024-11-27 20:26:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:26:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1620 transitions. [2024-11-27 20:26:34,875 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.84375 [2024-11-27 20:26:34,876 INFO L175 Difference]: Start difference. First operand has 281 places, 283 transitions, 575 flow. Second operand 6 states and 1620 transitions. [2024-11-27 20:26:34,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 281 transitions, 663 flow [2024-11-27 20:26:34,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 281 transitions, 659 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:34,882 INFO L231 Difference]: Finished difference. Result has 282 places, 281 transitions, 587 flow [2024-11-27 20:26:34,883 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=587, PETRI_PLACES=282, PETRI_TRANSITIONS=281} [2024-11-27 20:26:34,885 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -10 predicate places. [2024-11-27 20:26:34,886 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 281 transitions, 587 flow [2024-11-27 20:26:34,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.5) internal successors, (1581), 6 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:34,888 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:34,888 INFO L206 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] [2024-11-27 20:26:34,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:26:34,889 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:34,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:34,891 INFO L85 PathProgramCache]: Analyzing trace with hash 495856981, now seen corresponding path program 1 times [2024-11-27 20:26:34,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:34,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262809712] [2024-11-27 20:26:34,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:34,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:34,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:34,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262809712] [2024-11-27 20:26:34,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262809712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:34,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:34,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:34,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336310773] [2024-11-27 20:26:34,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:34,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:34,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:34,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:34,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:34,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 320 [2024-11-27 20:26:34,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 281 transitions, 587 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:34,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:34,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 320 [2024-11-27 20:26:34,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:35,105 INFO L124 PetriNetUnfolderBase]: 35/610 cut-off events. [2024-11-27 20:26:35,106 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-27 20:26:35,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 610 events. 35/610 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2460 event pairs, 8 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 630. Up to 34 conditions per place. [2024-11-27 20:26:35,114 INFO L140 encePairwiseOnDemand]: 316/320 looper letters, 10 selfloop transitions, 1 changer transitions 0/278 dead transitions. [2024-11-27 20:26:35,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 278 transitions, 603 flow [2024-11-27 20:26:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-11-27 20:26:35,118 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9395833333333333 [2024-11-27 20:26:35,118 INFO L175 Difference]: Start difference. First operand has 282 places, 281 transitions, 587 flow. Second operand 3 states and 902 transitions. [2024-11-27 20:26:35,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 278 transitions, 603 flow [2024-11-27 20:26:35,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 278 transitions, 583 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:26:35,124 INFO L231 Difference]: Finished difference. Result has 276 places, 278 transitions, 563 flow [2024-11-27 20:26:35,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=563, PETRI_PLACES=276, PETRI_TRANSITIONS=278} [2024-11-27 20:26:35,127 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -16 predicate places. [2024-11-27 20:26:35,128 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 278 transitions, 563 flow [2024-11-27 20:26:35,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:35,129 INFO L206 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] [2024-11-27 20:26:35,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:26:35,130 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:35,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:35,132 INFO L85 PathProgramCache]: Analyzing trace with hash 675837255, now seen corresponding path program 1 times [2024-11-27 20:26:35,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:35,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688877979] [2024-11-27 20:26:35,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:35,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:35,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:35,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688877979] [2024-11-27 20:26:35,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688877979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:35,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:35,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:35,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051083871] [2024-11-27 20:26:35,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:35,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:35,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:35,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:35,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:35,245 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 320 [2024-11-27 20:26:35,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 278 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:35,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 320 [2024-11-27 20:26:35,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:35,305 INFO L124 PetriNetUnfolderBase]: 14/348 cut-off events. [2024-11-27 20:26:35,306 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-27 20:26:35,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 348 events. 14/348 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 729 event pairs, 3 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 335. Up to 16 conditions per place. [2024-11-27 20:26:35,310 INFO L140 encePairwiseOnDemand]: 317/320 looper letters, 9 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2024-11-27 20:26:35,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 277 transitions, 583 flow [2024-11-27 20:26:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2024-11-27 20:26:35,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.940625 [2024-11-27 20:26:35,314 INFO L175 Difference]: Start difference. First operand has 276 places, 278 transitions, 563 flow. Second operand 3 states and 903 transitions. [2024-11-27 20:26:35,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 277 transitions, 583 flow [2024-11-27 20:26:35,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 277 transitions, 582 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:26:35,319 INFO L231 Difference]: Finished difference. Result has 276 places, 277 transitions, 564 flow [2024-11-27 20:26:35,320 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=276, PETRI_TRANSITIONS=277} [2024-11-27 20:26:35,320 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -16 predicate places. [2024-11-27 20:26:35,321 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 277 transitions, 564 flow [2024-11-27 20:26:35,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:35,323 INFO L206 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] [2024-11-27 20:26:35,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:26:35,323 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:35,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash -378612034, now seen corresponding path program 1 times [2024-11-27 20:26:35,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801376867] [2024-11-27 20:26:35,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:35,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:35,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801376867] [2024-11-27 20:26:35,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801376867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:35,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:35,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:35,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182617089] [2024-11-27 20:26:35,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:35,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:35,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:35,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:35,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:35,464 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 320 [2024-11-27 20:26:35,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 277 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:35,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 320 [2024-11-27 20:26:35,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:35,546 INFO L124 PetriNetUnfolderBase]: 22/341 cut-off events. [2024-11-27 20:26:35,547 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:26:35,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 341 events. 22/341 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 862 event pairs, 1 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 364. Up to 35 conditions per place. [2024-11-27 20:26:35,550 INFO L140 encePairwiseOnDemand]: 312/320 looper letters, 16 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2024-11-27 20:26:35,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 272 transitions, 591 flow [2024-11-27 20:26:35,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 885 transitions. [2024-11-27 20:26:35,553 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.921875 [2024-11-27 20:26:35,553 INFO L175 Difference]: Start difference. First operand has 276 places, 277 transitions, 564 flow. Second operand 3 states and 885 transitions. [2024-11-27 20:26:35,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 272 transitions, 591 flow [2024-11-27 20:26:35,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 272 transitions, 587 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:35,559 INFO L231 Difference]: Finished difference. Result has 270 places, 271 transitions, 552 flow [2024-11-27 20:26:35,560 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=270, PETRI_TRANSITIONS=271} [2024-11-27 20:26:35,561 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -22 predicate places. [2024-11-27 20:26:35,562 INFO L471 AbstractCegarLoop]: Abstraction has has 270 places, 271 transitions, 552 flow [2024-11-27 20:26:35,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:35,566 INFO L206 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] [2024-11-27 20:26:35,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:26:35,566 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:35,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:35,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1038827519, now seen corresponding path program 1 times [2024-11-27 20:26:35,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:35,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789625555] [2024-11-27 20:26:35,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:35,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:35,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789625555] [2024-11-27 20:26:35,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789625555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:35,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:35,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:35,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289946621] [2024-11-27 20:26:35,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:35,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:35,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:35,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:35,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:35,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 320 [2024-11-27 20:26:35,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 271 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 288.3333333333333) internal successors, (865), 3 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:35,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 320 [2024-11-27 20:26:35,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:35,763 INFO L124 PetriNetUnfolderBase]: 22/335 cut-off events. [2024-11-27 20:26:35,764 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-11-27 20:26:35,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 335 events. 22/335 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 883 event pairs, 1 based on Foata normal form. 1/309 useless extension candidates. Maximal degree in co-relation 346. Up to 33 conditions per place. [2024-11-27 20:26:35,767 INFO L140 encePairwiseOnDemand]: 312/320 looper letters, 13 selfloop transitions, 2 changer transitions 4/266 dead transitions. [2024-11-27 20:26:35,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 266 transitions, 577 flow [2024-11-27 20:26:35,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-27 20:26:35,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9208333333333333 [2024-11-27 20:26:35,770 INFO L175 Difference]: Start difference. First operand has 270 places, 271 transitions, 552 flow. Second operand 3 states and 884 transitions. [2024-11-27 20:26:35,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 266 transitions, 577 flow [2024-11-27 20:26:35,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 266 transitions, 573 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:35,797 INFO L231 Difference]: Finished difference. Result has 264 places, 261 transitions, 531 flow [2024-11-27 20:26:35,797 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=264, PETRI_TRANSITIONS=261} [2024-11-27 20:26:35,798 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -28 predicate places. [2024-11-27 20:26:35,799 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 261 transitions, 531 flow [2024-11-27 20:26:35,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 288.3333333333333) internal successors, (865), 3 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:35,800 INFO L206 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] [2024-11-27 20:26:35,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:26:35,800 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:35,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:35,801 INFO L85 PathProgramCache]: Analyzing trace with hash -991502518, now seen corresponding path program 1 times [2024-11-27 20:26:35,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:35,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103986953] [2024-11-27 20:26:35,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:35,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:35,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:35,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103986953] [2024-11-27 20:26:35,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103986953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:35,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:35,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:26:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384627949] [2024-11-27 20:26:35,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:35,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:35,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:35,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:35,886 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 320 [2024-11-27 20:26:35,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 261 transitions, 531 flow. Second operand has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:35,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 320 [2024-11-27 20:26:35,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:35,960 INFO L124 PetriNetUnfolderBase]: 22/391 cut-off events. [2024-11-27 20:26:35,960 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 20:26:35,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 391 events. 22/391 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1019 event pairs, 6 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 403. Up to 23 conditions per place. [2024-11-27 20:26:35,964 INFO L140 encePairwiseOnDemand]: 316/320 looper letters, 10 selfloop transitions, 3 changer transitions 0/263 dead transitions. [2024-11-27 20:26:35,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 263 transitions, 562 flow [2024-11-27 20:26:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-27 20:26:35,967 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9458333333333333 [2024-11-27 20:26:35,967 INFO L175 Difference]: Start difference. First operand has 264 places, 261 transitions, 531 flow. Second operand 3 states and 908 transitions. [2024-11-27 20:26:35,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 263 transitions, 562 flow [2024-11-27 20:26:35,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 263 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:35,975 INFO L231 Difference]: Finished difference. Result has 262 places, 262 transitions, 545 flow [2024-11-27 20:26:35,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=545, PETRI_PLACES=262, PETRI_TRANSITIONS=262} [2024-11-27 20:26:35,976 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -30 predicate places. [2024-11-27 20:26:35,977 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 262 transitions, 545 flow [2024-11-27 20:26:35,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:35,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:35,978 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:35,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:26:35,978 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:35,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:35,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1691116833, now seen corresponding path program 1 times [2024-11-27 20:26:35,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:35,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185531349] [2024-11-27 20:26:35,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:35,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:36,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:36,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185531349] [2024-11-27 20:26:36,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185531349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:36,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:36,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:36,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978075077] [2024-11-27 20:26:36,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:36,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:36,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:36,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:36,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:36,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 320 [2024-11-27 20:26:36,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 262 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:36,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:36,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 320 [2024-11-27 20:26:36,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:36,169 INFO L124 PetriNetUnfolderBase]: 37/614 cut-off events. [2024-11-27 20:26:36,169 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-11-27 20:26:36,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 614 events. 37/614 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2191 event pairs, 2 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 654. Up to 32 conditions per place. [2024-11-27 20:26:36,174 INFO L140 encePairwiseOnDemand]: 316/320 looper letters, 10 selfloop transitions, 2 changer transitions 0/264 dead transitions. [2024-11-27 20:26:36,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 264 transitions, 575 flow [2024-11-27 20:26:36,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:36,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2024-11-27 20:26:36,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9489583333333333 [2024-11-27 20:26:36,178 INFO L175 Difference]: Start difference. First operand has 262 places, 262 transitions, 545 flow. Second operand 3 states and 911 transitions. [2024-11-27 20:26:36,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 264 transitions, 575 flow [2024-11-27 20:26:36,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 264 transitions, 569 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:36,184 INFO L231 Difference]: Finished difference. Result has 261 places, 262 transitions, 549 flow [2024-11-27 20:26:36,185 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=261, PETRI_TRANSITIONS=262} [2024-11-27 20:26:36,185 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -31 predicate places. [2024-11-27 20:26:36,186 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 262 transitions, 549 flow [2024-11-27 20:26:36,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:36,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:36,188 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:36,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:26:36,188 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:36,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:36,189 INFO L85 PathProgramCache]: Analyzing trace with hash 312412427, now seen corresponding path program 1 times [2024-11-27 20:26:36,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:36,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728555541] [2024-11-27 20:26:36,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:36,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:36,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728555541] [2024-11-27 20:26:36,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728555541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:36,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:36,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:26:36,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192142520] [2024-11-27 20:26:36,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:36,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:36,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:36,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:36,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:36,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 320 [2024-11-27 20:26:36,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 262 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:36,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:36,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 320 [2024-11-27 20:26:36,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:36,377 INFO L124 PetriNetUnfolderBase]: 50/492 cut-off events. [2024-11-27 20:26:36,378 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-27 20:26:36,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 492 events. 50/492 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1502 event pairs, 11 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 565. Up to 58 conditions per place. [2024-11-27 20:26:36,382 INFO L140 encePairwiseOnDemand]: 316/320 looper letters, 9 selfloop transitions, 3 changer transitions 1/264 dead transitions. [2024-11-27 20:26:36,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 264 transitions, 580 flow [2024-11-27 20:26:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-27 20:26:36,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9458333333333333 [2024-11-27 20:26:36,385 INFO L175 Difference]: Start difference. First operand has 261 places, 262 transitions, 549 flow. Second operand 3 states and 908 transitions. [2024-11-27 20:26:36,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 264 transitions, 580 flow [2024-11-27 20:26:36,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 264 transitions, 580 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:26:36,391 INFO L231 Difference]: Finished difference. Result has 265 places, 263 transitions, 567 flow [2024-11-27 20:26:36,392 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=265, PETRI_TRANSITIONS=263} [2024-11-27 20:26:36,393 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -27 predicate places. [2024-11-27 20:26:36,394 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 263 transitions, 567 flow [2024-11-27 20:26:36,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:36,395 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:36,395 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:36,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:26:36,395 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:36,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:36,396 INFO L85 PathProgramCache]: Analyzing trace with hash 770493315, now seen corresponding path program 1 times [2024-11-27 20:26:36,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:36,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596245809] [2024-11-27 20:26:36,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:36,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:36,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:36,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596245809] [2024-11-27 20:26:36,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596245809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:36,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:36,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:36,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832485970] [2024-11-27 20:26:36,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:36,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:36,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:36,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:36,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:36,496 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 320 [2024-11-27 20:26:36,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 263 transitions, 567 flow. Second operand has 3 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:36,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:36,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 320 [2024-11-27 20:26:36,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:36,618 INFO L124 PetriNetUnfolderBase]: 45/676 cut-off events. [2024-11-27 20:26:36,619 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-27 20:26:36,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 676 events. 45/676 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2652 event pairs, 3 based on Foata normal form. 0/630 useless extension candidates. Maximal degree in co-relation 771. Up to 38 conditions per place. [2024-11-27 20:26:36,625 INFO L140 encePairwiseOnDemand]: 316/320 looper letters, 10 selfloop transitions, 2 changer transitions 0/265 dead transitions. [2024-11-27 20:26:36,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 265 transitions, 597 flow [2024-11-27 20:26:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2024-11-27 20:26:36,628 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9489583333333333 [2024-11-27 20:26:36,628 INFO L175 Difference]: Start difference. First operand has 265 places, 263 transitions, 567 flow. Second operand 3 states and 911 transitions. [2024-11-27 20:26:36,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 265 transitions, 597 flow [2024-11-27 20:26:36,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 265 transitions, 591 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:36,636 INFO L231 Difference]: Finished difference. Result has 264 places, 263 transitions, 571 flow [2024-11-27 20:26:36,637 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=264, PETRI_TRANSITIONS=263} [2024-11-27 20:26:36,637 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -28 predicate places. [2024-11-27 20:26:36,638 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 263 transitions, 571 flow [2024-11-27 20:26:36,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:36,639 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:36,639 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:36,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:26:36,640 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:36,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1108775111, now seen corresponding path program 1 times [2024-11-27 20:26:36,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:36,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703937028] [2024-11-27 20:26:36,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:36,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:37,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:37,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703937028] [2024-11-27 20:26:37,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703937028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:37,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:37,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:26:37,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171688155] [2024-11-27 20:26:37,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:37,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:26:37,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:37,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:26:37,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:26:37,581 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 320 [2024-11-27 20:26:37,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 263 transitions, 571 flow. Second operand has 8 states, 8 states have (on average 279.125) internal successors, (2233), 8 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:37,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:37,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 320 [2024-11-27 20:26:37,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:37,976 INFO L124 PetriNetUnfolderBase]: 64/1040 cut-off events. [2024-11-27 20:26:37,976 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-27 20:26:37,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 1040 events. 64/1040 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4311 event pairs, 8 based on Foata normal form. 2/977 useless extension candidates. Maximal degree in co-relation 1288. Up to 45 conditions per place. [2024-11-27 20:26:37,985 INFO L140 encePairwiseOnDemand]: 303/320 looper letters, 50 selfloop transitions, 19 changer transitions 0/298 dead transitions. [2024-11-27 20:26:37,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 298 transitions, 802 flow [2024-11-27 20:26:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:26:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-27 20:26:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3381 transitions. [2024-11-27 20:26:37,996 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.88046875 [2024-11-27 20:26:37,997 INFO L175 Difference]: Start difference. First operand has 264 places, 263 transitions, 571 flow. Second operand 12 states and 3381 transitions. [2024-11-27 20:26:37,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 298 transitions, 802 flow [2024-11-27 20:26:38,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 298 transitions, 802 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:26:38,006 INFO L231 Difference]: Finished difference. Result has 280 places, 274 transitions, 678 flow [2024-11-27 20:26:38,006 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=678, PETRI_PLACES=280, PETRI_TRANSITIONS=274} [2024-11-27 20:26:38,007 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -12 predicate places. [2024-11-27 20:26:38,008 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 274 transitions, 678 flow [2024-11-27 20:26:38,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 279.125) internal successors, (2233), 8 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:38,010 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:38,010 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:38,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:26:38,011 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:38,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1878525609, now seen corresponding path program 1 times [2024-11-27 20:26:38,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:38,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449265489] [2024-11-27 20:26:38,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:38,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:38,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:38,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449265489] [2024-11-27 20:26:38,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449265489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:38,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:38,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:26:38,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627879341] [2024-11-27 20:26:38,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:38,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:26:38,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:38,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:26:38,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:26:38,870 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 320 [2024-11-27 20:26:38,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 274 transitions, 678 flow. Second operand has 8 states, 8 states have (on average 279.25) internal successors, (2234), 8 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:38,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:38,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 320 [2024-11-27 20:26:38,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:39,275 INFO L124 PetriNetUnfolderBase]: 106/1071 cut-off events. [2024-11-27 20:26:39,276 INFO L125 PetriNetUnfolderBase]: For 91/95 co-relation queries the response was YES. [2024-11-27 20:26:39,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1476 conditions, 1071 events. 106/1071 cut-off events. For 91/95 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5161 event pairs, 25 based on Foata normal form. 0/988 useless extension candidates. Maximal degree in co-relation 1422. Up to 86 conditions per place. [2024-11-27 20:26:39,286 INFO L140 encePairwiseOnDemand]: 303/320 looper letters, 33 selfloop transitions, 13 changer transitions 27/306 dead transitions. [2024-11-27 20:26:39,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 306 transitions, 908 flow [2024-11-27 20:26:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:26:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-27 20:26:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3382 transitions. [2024-11-27 20:26:39,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8807291666666667 [2024-11-27 20:26:39,295 INFO L175 Difference]: Start difference. First operand has 280 places, 274 transitions, 678 flow. Second operand 12 states and 3382 transitions. [2024-11-27 20:26:39,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 306 transitions, 908 flow [2024-11-27 20:26:39,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 306 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:26:39,302 INFO L231 Difference]: Finished difference. Result has 295 places, 272 transitions, 714 flow [2024-11-27 20:26:39,303 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=714, PETRI_PLACES=295, PETRI_TRANSITIONS=272} [2024-11-27 20:26:39,304 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, 3 predicate places. [2024-11-27 20:26:39,304 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 272 transitions, 714 flow [2024-11-27 20:26:39,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 279.25) internal successors, (2234), 8 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:39,305 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:39,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:39,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:26:39,306 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:39,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1333446925, now seen corresponding path program 1 times [2024-11-27 20:26:39,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:39,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164861696] [2024-11-27 20:26:39,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:26:39,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:39,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164861696] [2024-11-27 20:26:39,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164861696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:39,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:39,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:26:39,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268011532] [2024-11-27 20:26:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:39,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:26:39,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:39,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:26:39,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:26:40,154 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 320 [2024-11-27 20:26:40,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 272 transitions, 714 flow. Second operand has 8 states, 8 states have (on average 279.25) internal successors, (2234), 8 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:40,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 320 [2024-11-27 20:26:40,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:40,632 INFO L124 PetriNetUnfolderBase]: 72/1239 cut-off events. [2024-11-27 20:26:40,632 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2024-11-27 20:26:40,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1747 conditions, 1239 events. 72/1239 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5485 event pairs, 14 based on Foata normal form. 2/1172 useless extension candidates. Maximal degree in co-relation 1683. Up to 57 conditions per place. [2024-11-27 20:26:40,643 INFO L140 encePairwiseOnDemand]: 303/320 looper letters, 44 selfloop transitions, 20 changer transitions 0/297 dead transitions. [2024-11-27 20:26:40,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 297 transitions, 928 flow [2024-11-27 20:26:40,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:26:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-27 20:26:40,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3374 transitions. [2024-11-27 20:26:40,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8786458333333333 [2024-11-27 20:26:40,651 INFO L175 Difference]: Start difference. First operand has 295 places, 272 transitions, 714 flow. Second operand 12 states and 3374 transitions. [2024-11-27 20:26:40,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 297 transitions, 928 flow [2024-11-27 20:26:40,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 297 transitions, 878 flow, removed 11 selfloop flow, removed 13 redundant places. [2024-11-27 20:26:40,663 INFO L231 Difference]: Finished difference. Result has 290 places, 281 transitions, 780 flow [2024-11-27 20:26:40,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=780, PETRI_PLACES=290, PETRI_TRANSITIONS=281} [2024-11-27 20:26:40,665 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -2 predicate places. [2024-11-27 20:26:40,666 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 281 transitions, 780 flow [2024-11-27 20:26:40,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 279.25) internal successors, (2234), 8 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:40,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:40,669 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:40,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:26:40,670 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:40,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 904158165, now seen corresponding path program 1 times [2024-11-27 20:26:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:40,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152570208] [2024-11-27 20:26:40,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:40,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:26:41,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:41,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152570208] [2024-11-27 20:26:41,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152570208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:41,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:41,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:26:41,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933609294] [2024-11-27 20:26:41,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:41,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:26:41,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:41,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:26:41,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:26:41,692 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 320 [2024-11-27 20:26:41,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 281 transitions, 780 flow. Second operand has 8 states, 8 states have (on average 279.375) internal successors, (2235), 8 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:41,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:41,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 320 [2024-11-27 20:26:41,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:42,072 INFO L124 PetriNetUnfolderBase]: 102/1027 cut-off events. [2024-11-27 20:26:42,072 INFO L125 PetriNetUnfolderBase]: For 192/196 co-relation queries the response was YES. [2024-11-27 20:26:42,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1027 events. 102/1027 cut-off events. For 192/196 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5003 event pairs, 24 based on Foata normal form. 2/955 useless extension candidates. Maximal degree in co-relation 1444. Up to 86 conditions per place. [2024-11-27 20:26:42,083 INFO L140 encePairwiseOnDemand]: 303/320 looper letters, 34 selfloop transitions, 13 changer transitions 17/297 dead transitions. [2024-11-27 20:26:42,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 297 transitions, 956 flow [2024-11-27 20:26:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:26:42,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-27 20:26:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3371 transitions. [2024-11-27 20:26:42,091 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8778645833333333 [2024-11-27 20:26:42,091 INFO L175 Difference]: Start difference. First operand has 290 places, 281 transitions, 780 flow. Second operand 12 states and 3371 transitions. [2024-11-27 20:26:42,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 297 transitions, 956 flow [2024-11-27 20:26:42,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 297 transitions, 954 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:26:42,099 INFO L231 Difference]: Finished difference. Result has 302 places, 273 transitions, 753 flow [2024-11-27 20:26:42,099 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=753, PETRI_PLACES=302, PETRI_TRANSITIONS=273} [2024-11-27 20:26:42,100 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, 10 predicate places. [2024-11-27 20:26:42,100 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 273 transitions, 753 flow [2024-11-27 20:26:42,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 279.375) internal successors, (2235), 8 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:42,101 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:42,102 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:42,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:26:42,102 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:42,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:42,103 INFO L85 PathProgramCache]: Analyzing trace with hash 575366879, now seen corresponding path program 1 times [2024-11-27 20:26:42,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:42,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168872459] [2024-11-27 20:26:42,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:42,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:42,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:42,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168872459] [2024-11-27 20:26:42,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168872459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:42,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:42,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:42,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873329295] [2024-11-27 20:26:42,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:42,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:42,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:42,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:42,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:43,243 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 320 [2024-11-27 20:26:43,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 273 transitions, 753 flow. Second operand has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:43,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 320 [2024-11-27 20:26:43,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:43,473 INFO L124 PetriNetUnfolderBase]: 42/812 cut-off events. [2024-11-27 20:26:43,473 INFO L125 PetriNetUnfolderBase]: For 113/115 co-relation queries the response was YES. [2024-11-27 20:26:43,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1136 conditions, 812 events. 42/812 cut-off events. For 113/115 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2609 event pairs, 6 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1066. Up to 35 conditions per place. [2024-11-27 20:26:43,483 INFO L140 encePairwiseOnDemand]: 314/320 looper letters, 20 selfloop transitions, 6 changer transitions 0/277 dead transitions. [2024-11-27 20:26:43,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 277 transitions, 818 flow [2024-11-27 20:26:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:26:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1754 transitions. [2024-11-27 20:26:43,488 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9135416666666667 [2024-11-27 20:26:43,488 INFO L175 Difference]: Start difference. First operand has 302 places, 273 transitions, 753 flow. Second operand 6 states and 1754 transitions. [2024-11-27 20:26:43,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 277 transitions, 818 flow [2024-11-27 20:26:43,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 277 transitions, 765 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-27 20:26:43,495 INFO L231 Difference]: Finished difference. Result has 282 places, 272 transitions, 710 flow [2024-11-27 20:26:43,496 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=710, PETRI_PLACES=282, PETRI_TRANSITIONS=272} [2024-11-27 20:26:43,496 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -10 predicate places. [2024-11-27 20:26:43,496 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 272 transitions, 710 flow [2024-11-27 20:26:43,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:43,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:43,498 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:43,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:26:43,498 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:43,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:43,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1001788735, now seen corresponding path program 1 times [2024-11-27 20:26:43,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:43,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748045205] [2024-11-27 20:26:43,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:43,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:44,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:44,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748045205] [2024-11-27 20:26:44,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748045205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:44,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:44,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:44,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658652946] [2024-11-27 20:26:44,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:44,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:44,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:44,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:44,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:44,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 320 [2024-11-27 20:26:44,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 272 transitions, 710 flow. Second operand has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:44,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:44,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 320 [2024-11-27 20:26:44,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:44,994 INFO L124 PetriNetUnfolderBase]: 79/1071 cut-off events. [2024-11-27 20:26:44,994 INFO L125 PetriNetUnfolderBase]: For 139/143 co-relation queries the response was YES. [2024-11-27 20:26:45,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 1071 events. 79/1071 cut-off events. For 139/143 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4786 event pairs, 12 based on Foata normal form. 0/1009 useless extension candidates. Maximal degree in co-relation 1381. Up to 54 conditions per place. [2024-11-27 20:26:45,006 INFO L140 encePairwiseOnDemand]: 314/320 looper letters, 19 selfloop transitions, 6 changer transitions 0/275 dead transitions. [2024-11-27 20:26:45,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 275 transitions, 770 flow [2024-11-27 20:26:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:26:45,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1753 transitions. [2024-11-27 20:26:45,010 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130208333333333 [2024-11-27 20:26:45,010 INFO L175 Difference]: Start difference. First operand has 282 places, 272 transitions, 710 flow. Second operand 6 states and 1753 transitions. [2024-11-27 20:26:45,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 275 transitions, 770 flow [2024-11-27 20:26:45,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 275 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:26:45,017 INFO L231 Difference]: Finished difference. Result has 281 places, 271 transitions, 708 flow [2024-11-27 20:26:45,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=708, PETRI_PLACES=281, PETRI_TRANSITIONS=271} [2024-11-27 20:26:45,018 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -11 predicate places. [2024-11-27 20:26:45,018 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 271 transitions, 708 flow [2024-11-27 20:26:45,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:45,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:45,020 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:45,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:26:45,020 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:45,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1703202503, now seen corresponding path program 1 times [2024-11-27 20:26:45,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:45,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105714308] [2024-11-27 20:26:45,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:45,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:45,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:45,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105714308] [2024-11-27 20:26:45,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105714308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:45,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:45,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:45,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004024325] [2024-11-27 20:26:45,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:45,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:45,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:45,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:45,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:46,074 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 320 [2024-11-27 20:26:46,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 271 transitions, 708 flow. Second operand has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:46,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:46,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 320 [2024-11-27 20:26:46,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:46,294 INFO L124 PetriNetUnfolderBase]: 39/787 cut-off events. [2024-11-27 20:26:46,294 INFO L125 PetriNetUnfolderBase]: For 89/91 co-relation queries the response was YES. [2024-11-27 20:26:46,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 787 events. 39/787 cut-off events. For 89/91 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2483 event pairs, 6 based on Foata normal form. 0/755 useless extension candidates. Maximal degree in co-relation 1022. Up to 35 conditions per place. [2024-11-27 20:26:46,308 INFO L140 encePairwiseOnDemand]: 314/320 looper letters, 20 selfloop transitions, 6 changer transitions 0/275 dead transitions. [2024-11-27 20:26:46,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 275 transitions, 773 flow [2024-11-27 20:26:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:26:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1754 transitions. [2024-11-27 20:26:46,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9135416666666667 [2024-11-27 20:26:46,313 INFO L175 Difference]: Start difference. First operand has 281 places, 271 transitions, 708 flow. Second operand 6 states and 1754 transitions. [2024-11-27 20:26:46,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 275 transitions, 773 flow [2024-11-27 20:26:46,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 275 transitions, 761 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:26:46,320 INFO L231 Difference]: Finished difference. Result has 280 places, 270 transitions, 706 flow [2024-11-27 20:26:46,321 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=706, PETRI_PLACES=280, PETRI_TRANSITIONS=270} [2024-11-27 20:26:46,321 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -12 predicate places. [2024-11-27 20:26:46,322 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 270 transitions, 706 flow [2024-11-27 20:26:46,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.8333333333333) internal successors, (1745), 6 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:46,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:46,323 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:46,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:26:46,323 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:46,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:46,325 INFO L85 PathProgramCache]: Analyzing trace with hash -690513399, now seen corresponding path program 1 times [2024-11-27 20:26:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:46,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914380394] [2024-11-27 20:26:46,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:46,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:46,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:46,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914380394] [2024-11-27 20:26:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914380394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:46,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593227835] [2024-11-27 20:26:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:46,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:46,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:46,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:46,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:47,278 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 320 [2024-11-27 20:26:47,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 270 transitions, 706 flow. Second operand has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:47,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:47,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 320 [2024-11-27 20:26:47,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:47,498 INFO L124 PetriNetUnfolderBase]: 79/971 cut-off events. [2024-11-27 20:26:47,498 INFO L125 PetriNetUnfolderBase]: For 139/143 co-relation queries the response was YES. [2024-11-27 20:26:47,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 971 events. 79/971 cut-off events. For 139/143 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4541 event pairs, 12 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 1295. Up to 54 conditions per place. [2024-11-27 20:26:47,508 INFO L140 encePairwiseOnDemand]: 314/320 looper letters, 19 selfloop transitions, 6 changer transitions 0/273 dead transitions. [2024-11-27 20:26:47,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 273 transitions, 766 flow [2024-11-27 20:26:47,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:26:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1753 transitions. [2024-11-27 20:26:47,512 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130208333333333 [2024-11-27 20:26:47,512 INFO L175 Difference]: Start difference. First operand has 280 places, 270 transitions, 706 flow. Second operand 6 states and 1753 transitions. [2024-11-27 20:26:47,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 273 transitions, 766 flow [2024-11-27 20:26:47,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 273 transitions, 754 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:26:47,521 INFO L231 Difference]: Finished difference. Result has 279 places, 269 transitions, 704 flow [2024-11-27 20:26:47,522 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=704, PETRI_PLACES=279, PETRI_TRANSITIONS=269} [2024-11-27 20:26:47,522 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -13 predicate places. [2024-11-27 20:26:47,523 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 269 transitions, 704 flow [2024-11-27 20:26:47,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:47,524 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:47,524 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:47,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 20:26:47,525 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:47,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:47,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1161471407, now seen corresponding path program 1 times [2024-11-27 20:26:47,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:47,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300535653] [2024-11-27 20:26:47,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:47,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:47,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:47,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300535653] [2024-11-27 20:26:47,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300535653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:47,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:47,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:47,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154337798] [2024-11-27 20:26:47,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:47,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:47,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:47,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:47,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:47,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 320 [2024-11-27 20:26:47,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 269 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:47,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:47,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 320 [2024-11-27 20:26:47,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:47,818 INFO L124 PetriNetUnfolderBase]: 46/820 cut-off events. [2024-11-27 20:26:47,818 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-11-27 20:26:47,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 820 events. 46/820 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2609 event pairs, 17 based on Foata normal form. 0/798 useless extension candidates. Maximal degree in co-relation 1079. Up to 64 conditions per place. [2024-11-27 20:26:47,827 INFO L140 encePairwiseOnDemand]: 317/320 looper letters, 11 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2024-11-27 20:26:47,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 269 transitions, 731 flow [2024-11-27 20:26:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-11-27 20:26:47,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9364583333333333 [2024-11-27 20:26:47,829 INFO L175 Difference]: Start difference. First operand has 279 places, 269 transitions, 704 flow. Second operand 3 states and 899 transitions. [2024-11-27 20:26:47,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 269 transitions, 731 flow [2024-11-27 20:26:47,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 269 transitions, 719 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:26:47,836 INFO L231 Difference]: Finished difference. Result has 275 places, 268 transitions, 694 flow [2024-11-27 20:26:47,837 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=275, PETRI_TRANSITIONS=268} [2024-11-27 20:26:47,837 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -17 predicate places. [2024-11-27 20:26:47,837 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 268 transitions, 694 flow [2024-11-27 20:26:47,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:47,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:47,838 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:47,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 20:26:47,838 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-27 20:26:47,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:47,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1338507183, now seen corresponding path program 1 times [2024-11-27 20:26:47,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:47,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896978943] [2024-11-27 20:26:47,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:47,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:26:47,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896978943] [2024-11-27 20:26:47,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896978943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:47,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:47,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:47,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518047132] [2024-11-27 20:26:47,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:47,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:47,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:47,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:47,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:47,957 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 320 [2024-11-27 20:26:47,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 268 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:47,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:47,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 320 [2024-11-27 20:26:47,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:48,173 INFO L124 PetriNetUnfolderBase]: 89/968 cut-off events. [2024-11-27 20:26:48,173 INFO L125 PetriNetUnfolderBase]: For 138/141 co-relation queries the response was YES. [2024-11-27 20:26:48,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1318 conditions, 968 events. 89/968 cut-off events. For 138/141 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4257 event pairs, 33 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1261. Up to 102 conditions per place. [2024-11-27 20:26:48,179 INFO L140 encePairwiseOnDemand]: 317/320 looper letters, 0 selfloop transitions, 0 changer transitions 268/268 dead transitions. [2024-11-27 20:26:48,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 268 transitions, 721 flow [2024-11-27 20:26:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-11-27 20:26:48,181 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9364583333333333 [2024-11-27 20:26:48,181 INFO L175 Difference]: Start difference. First operand has 275 places, 268 transitions, 694 flow. Second operand 3 states and 899 transitions. [2024-11-27 20:26:48,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 268 transitions, 721 flow [2024-11-27 20:26:48,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 268 transitions, 717 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:48,186 INFO L231 Difference]: Finished difference. Result has 274 places, 0 transitions, 0 flow [2024-11-27 20:26:48,186 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=274, PETRI_TRANSITIONS=0} [2024-11-27 20:26:48,187 INFO L279 CegarLoopForPetriNet]: 292 programPoint places, -18 predicate places. [2024-11-27 20:26:48,187 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 0 transitions, 0 flow [2024-11-27 20:26:48,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:48,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2024-11-27 20:26:48,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2024-11-27 20:26:48,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2024-11-27 20:26:48,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2024-11-27 20:26:48,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2024-11-27 20:26:48,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2024-11-27 20:26:48,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2024-11-27 20:26:48,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2024-11-27 20:26:48,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2024-11-27 20:26:48,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2024-11-27 20:26:48,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2024-11-27 20:26:48,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2024-11-27 20:26:48,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2024-11-27 20:26:48,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2024-11-27 20:26:48,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2024-11-27 20:26:48,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2024-11-27 20:26:48,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2024-11-27 20:26:48,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2024-11-27 20:26:48,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:26:48,203 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:48,212 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:26:48,212 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:26:48,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:26:48 BasicIcfg [2024-11-27 20:26:48,221 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:26:48,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:26:48,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:26:48,223 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:26:48,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:30" (3/4) ... [2024-11-27 20:26:48,226 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:26:48,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:26:48,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:26:48,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-27 20:26:48,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:26:48,236 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:26:48,236 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:26:48,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:26:48,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:26:48,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:26:48,342 INFO L158 Benchmark]: Toolchain (without parser) took 18755.37ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 94.1MB in the beginning and 369.9MB in the end (delta: -275.8MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-27 20:26:48,342 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:48,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.09ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 81.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:26:48,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.11ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:48,343 INFO L158 Benchmark]: Boogie Preprocessor took 34.80ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:26:48,343 INFO L158 Benchmark]: RCFGBuilder took 875.32ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 52.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:26:48,344 INFO L158 Benchmark]: TraceAbstraction took 17247.10ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 51.8MB in the beginning and 378.3MB in the end (delta: -326.5MB). Peak memory consumption was 217.1MB. Max. memory is 16.1GB. [2024-11-27 20:26:48,344 INFO L158 Benchmark]: Witness Printer took 118.59ms. Allocated memory is still 427.8MB. Free memory was 378.3MB in the beginning and 369.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:26:48,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.09ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 81.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.11ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.80ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 875.32ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 52.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17247.10ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 51.8MB in the beginning and 378.3MB in the end (delta: -326.5MB). Peak memory consumption was 217.1MB. Max. memory is 16.1GB. * Witness Printer took 118.59ms. Allocated memory is still 427.8MB. Free memory was 378.3MB in the beginning and 369.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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, 434 locations, 60 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: 17.0s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2613 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1733 mSDsluCounter, 1818 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1655 mSDsCounter, 343 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4113 IncrementalHoareTripleChecker+Invalid, 4456 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 343 mSolverCounterUnsat, 163 mSDtfsCounter, 4113 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=780occurred in iteration=16, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2662 NumberOfCodeBlocks, 2662 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2639 ConstructedInterpolants, 0 QuantifiedInterpolants, 5208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 14/14 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:26:48,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f83ec-a635-460a-87b1-69c3ecad74e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE