./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp3x3.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_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/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_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/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_7ead2891-2b36-41ee-b741-8fff188697a5/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 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:19:15,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:19:15,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:19:15,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:19:15,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:19:15,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:19:15,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:19:15,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:19:15,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:19:15,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:19:15,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:19:15,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:19:15,670 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:19:15,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:19:15,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:19:15,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:19:15,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:19:15,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:19:15,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:19:15,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:19:15,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:19:15,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:19:15,672 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:19:15,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:19:15,673 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:19:15,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:19:15,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:19:15,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:19:15,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:19:15,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:19:15,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:19:15,675 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:19:15,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:19:15,675 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:19:15,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:19:15,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:19:15,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:19:15,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:19:15,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:19:15,676 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_7ead2891-2b36-41ee-b741-8fff188697a5/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 -> 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 [2024-11-28 03:19:16,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:19:16,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:19:16,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:19:16,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:19:16,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:19:16,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2024-11-28 03:19:18,998 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/data/b99dcebdb/8fc1c7e928a942fc8b25c318d788b037/FLAG8f197cbc3 [2024-11-28 03:19:19,261 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:19:19,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2024-11-28 03:19:19,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/data/b99dcebdb/8fc1c7e928a942fc8b25c318d788b037/FLAG8f197cbc3 [2024-11-28 03:19:19,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/data/b99dcebdb/8fc1c7e928a942fc8b25c318d788b037 [2024-11-28 03:19:19,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:19:19,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:19:19,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:19:19,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:19:19,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:19:19,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ae9a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19, skipping insertion in model container [2024-11-28 03:19:19,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:19:19,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:19:19,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:19:19,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:19:19,695 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:19:19,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19 WrapperNode [2024-11-28 03:19:19,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:19:19,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:19:19,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:19:19,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:19:19,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,745 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 183 [2024-11-28 03:19:19,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:19:19,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:19:19,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:19:19,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:19:19,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,776 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:19:19,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:19:19,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:19:19,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:19:19,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (1/1) ... [2024-11-28 03:19:19,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:19:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:19:19,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:19:19,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:19:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:19:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:19:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:19:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:19:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:19:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:19:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:19:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 03:19:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 03:19:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:19:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-28 03:19:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-28 03:19:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-28 03:19:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-28 03:19:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:19:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:19:19,888 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:19:20,026 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:19:20,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:19:20,701 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:19:20,702 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:19:20,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:19:20,736 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 03:19:20,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:20 BoogieIcfgContainer [2024-11-28 03:19:20,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:19:20,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:19:20,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:19:20,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:19:20,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:19" (1/3) ... [2024-11-28 03:19:20,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:20, skipping insertion in model container [2024-11-28 03:19:20,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:19" (2/3) ... [2024-11-28 03:19:20,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:20, skipping insertion in model container [2024-11-28 03:19:20,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:20" (3/3) ... [2024-11-28 03:19:20,753 INFO L128 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2024-11-28 03:19:20,772 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:19:20,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp3x3.wvr.c that has 7 procedures, 353 locations, 1 initial locations, 6 loop locations, and 52 error locations. [2024-11-28 03:19:20,774 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:19:20,972 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-11-28 03:19:21,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 371 places, 373 transitions, 788 flow [2024-11-28 03:19:21,285 INFO L124 PetriNetUnfolderBase]: 21/367 cut-off events. [2024-11-28 03:19:21,288 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 03:19:21,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 367 events. 21/367 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 685 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 300. Up to 2 conditions per place. [2024-11-28 03:19:21,301 INFO L82 GeneralOperation]: Start removeDead. Operand has 371 places, 373 transitions, 788 flow [2024-11-28 03:19:21,311 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 346 transitions, 728 flow [2024-11-28 03:19:21,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:19:21,339 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;@6f868499, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:19:21,339 INFO L334 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2024-11-28 03:19:21,355 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:19:21,355 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-28 03:19:21,355 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:19:21,356 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:21,356 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] [2024-11-28 03:19:21,357 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:21,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:21,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1029238836, now seen corresponding path program 1 times [2024-11-28 03:19:21,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:21,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050710485] [2024-11-28 03:19:21,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:21,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:21,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:21,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050710485] [2024-11-28 03:19:21,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050710485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:21,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:21,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:21,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351334952] [2024-11-28 03:19:21,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:21,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:21,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:21,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:21,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:21,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-28 03:19:21,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 346 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:21,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:21,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-28 03:19:21,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:21,972 INFO L124 PetriNetUnfolderBase]: 37/473 cut-off events. [2024-11-28 03:19:21,975 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-28 03:19:21,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 473 events. 37/473 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1697 event pairs, 20 based on Foata normal form. 91/466 useless extension candidates. Maximal degree in co-relation 485. Up to 68 conditions per place. [2024-11-28 03:19:21,990 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 22 selfloop transitions, 2 changer transitions 1/338 dead transitions. [2024-11-28 03:19:21,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 338 transitions, 760 flow [2024-11-28 03:19:22,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-11-28 03:19:22,044 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.934763181411975 [2024-11-28 03:19:22,046 INFO L175 Difference]: Start difference. First operand has 346 places, 346 transitions, 728 flow. Second operand 3 states and 1046 transitions. [2024-11-28 03:19:22,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 338 transitions, 760 flow [2024-11-28 03:19:22,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 338 transitions, 736 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-28 03:19:22,068 INFO L231 Difference]: Finished difference. Result has 335 places, 337 transitions, 690 flow [2024-11-28 03:19:22,073 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=335, PETRI_TRANSITIONS=337} [2024-11-28 03:19:22,079 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -11 predicate places. [2024-11-28 03:19:22,080 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 337 transitions, 690 flow [2024-11-28 03:19:22,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:22,080 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:22,080 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] [2024-11-28 03:19:22,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:19:22,081 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:22,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:22,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1516310053, now seen corresponding path program 1 times [2024-11-28 03:19:22,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:22,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146075194] [2024-11-28 03:19:22,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:22,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:22,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146075194] [2024-11-28 03:19:22,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146075194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:22,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:22,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:22,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938984183] [2024-11-28 03:19:22,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:22,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:22,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:22,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:22,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:22,262 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-28 03:19:22,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 337 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:22,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:22,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-28 03:19:22,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:22,426 INFO L124 PetriNetUnfolderBase]: 37/471 cut-off events. [2024-11-28 03:19:22,426 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 03:19:22,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 471 events. 37/471 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1619 event pairs, 20 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 532. Up to 67 conditions per place. [2024-11-28 03:19:22,440 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2024-11-28 03:19:22,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 336 transitions, 734 flow [2024-11-28 03:19:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-28 03:19:22,445 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-28 03:19:22,445 INFO L175 Difference]: Start difference. First operand has 335 places, 337 transitions, 690 flow. Second operand 3 states and 1041 transitions. [2024-11-28 03:19:22,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 336 transitions, 734 flow [2024-11-28 03:19:22,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 336 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:22,456 INFO L231 Difference]: Finished difference. Result has 333 places, 336 transitions, 688 flow [2024-11-28 03:19:22,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=333, PETRI_TRANSITIONS=336} [2024-11-28 03:19:22,457 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -13 predicate places. [2024-11-28 03:19:22,458 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 336 transitions, 688 flow [2024-11-28 03:19:22,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:22,459 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:22,459 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] [2024-11-28 03:19:22,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:19:22,460 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:22,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:22,462 INFO L85 PathProgramCache]: Analyzing trace with hash 220141317, now seen corresponding path program 1 times [2024-11-28 03:19:22,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:22,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497513879] [2024-11-28 03:19:22,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:22,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:22,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:22,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497513879] [2024-11-28 03:19:22,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497513879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:22,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:22,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:22,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643902179] [2024-11-28 03:19:22,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:22,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:22,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:22,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:22,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:22,593 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-28 03:19:22,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 336 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:22,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:22,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-28 03:19:22,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:22,752 INFO L124 PetriNetUnfolderBase]: 37/452 cut-off events. [2024-11-28 03:19:22,752 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 03:19:22,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 452 events. 37/452 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1452 event pairs, 20 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 503. Up to 68 conditions per place. [2024-11-28 03:19:22,762 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2024-11-28 03:19:22,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 335 transitions, 734 flow [2024-11-28 03:19:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-28 03:19:22,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9285075960679178 [2024-11-28 03:19:22,770 INFO L175 Difference]: Start difference. First operand has 333 places, 336 transitions, 688 flow. Second operand 3 states and 1039 transitions. [2024-11-28 03:19:22,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 335 transitions, 734 flow [2024-11-28 03:19:22,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 335 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:22,780 INFO L231 Difference]: Finished difference. Result has 332 places, 335 transitions, 686 flow [2024-11-28 03:19:22,781 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=332, PETRI_TRANSITIONS=335} [2024-11-28 03:19:22,782 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -14 predicate places. [2024-11-28 03:19:22,783 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 335 transitions, 686 flow [2024-11-28 03:19:22,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:22,784 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:22,784 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] [2024-11-28 03:19:22,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:19:22,784 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:22,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:22,785 INFO L85 PathProgramCache]: Analyzing trace with hash 280182052, now seen corresponding path program 1 times [2024-11-28 03:19:22,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:22,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594812514] [2024-11-28 03:19:22,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:22,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:22,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:22,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594812514] [2024-11-28 03:19:22,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594812514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:22,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:22,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:22,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253075088] [2024-11-28 03:19:22,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:22,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:22,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:22,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:22,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:22,940 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-28 03:19:22,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 335 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:22,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:22,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-28 03:19:22,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:23,117 INFO L124 PetriNetUnfolderBase]: 37/433 cut-off events. [2024-11-28 03:19:23,117 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 03:19:23,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 433 events. 37/433 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1260 event pairs, 20 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 472. Up to 67 conditions per place. [2024-11-28 03:19:23,127 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2024-11-28 03:19:23,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 334 transitions, 730 flow [2024-11-28 03:19:23,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-28 03:19:23,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-28 03:19:23,134 INFO L175 Difference]: Start difference. First operand has 332 places, 335 transitions, 686 flow. Second operand 3 states and 1041 transitions. [2024-11-28 03:19:23,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 334 transitions, 730 flow [2024-11-28 03:19:23,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 334 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:23,142 INFO L231 Difference]: Finished difference. Result has 331 places, 334 transitions, 684 flow [2024-11-28 03:19:23,143 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=331, PETRI_TRANSITIONS=334} [2024-11-28 03:19:23,145 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -15 predicate places. [2024-11-28 03:19:23,146 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 334 transitions, 684 flow [2024-11-28 03:19:23,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:23,147 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:23,147 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] [2024-11-28 03:19:23,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:19:23,148 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:23,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:23,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1239753170, now seen corresponding path program 1 times [2024-11-28 03:19:23,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:23,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471150488] [2024-11-28 03:19:23,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:23,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:23,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:23,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471150488] [2024-11-28 03:19:23,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471150488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:23,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:23,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950864895] [2024-11-28 03:19:23,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:23,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:23,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:23,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:23,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:23,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-28 03:19:23,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 334 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:23,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:23,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-28 03:19:23,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:23,455 INFO L124 PetriNetUnfolderBase]: 37/414 cut-off events. [2024-11-28 03:19:23,456 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 03:19:23,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 414 events. 37/414 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1095 event pairs, 20 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 443. Up to 68 conditions per place. [2024-11-28 03:19:23,465 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2024-11-28 03:19:23,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 333 transitions, 730 flow [2024-11-28 03:19:23,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-28 03:19:23,468 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9285075960679178 [2024-11-28 03:19:23,469 INFO L175 Difference]: Start difference. First operand has 331 places, 334 transitions, 684 flow. Second operand 3 states and 1039 transitions. [2024-11-28 03:19:23,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 333 transitions, 730 flow [2024-11-28 03:19:23,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 333 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:23,477 INFO L231 Difference]: Finished difference. Result has 330 places, 333 transitions, 682 flow [2024-11-28 03:19:23,477 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=330, PETRI_TRANSITIONS=333} [2024-11-28 03:19:23,480 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -16 predicate places. [2024-11-28 03:19:23,480 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 333 transitions, 682 flow [2024-11-28 03:19:23,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:23,481 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:23,482 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] [2024-11-28 03:19:23,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:19:23,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:23,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:23,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1169055789, now seen corresponding path program 1 times [2024-11-28 03:19:23,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:23,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835590973] [2024-11-28 03:19:23,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:23,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:23,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:23,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835590973] [2024-11-28 03:19:23,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835590973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:23,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:23,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:23,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4675724] [2024-11-28 03:19:23,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:23,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:23,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:23,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:23,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:23,589 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-28 03:19:23,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 333 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:23,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:23,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-28 03:19:23,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:23,715 INFO L124 PetriNetUnfolderBase]: 37/395 cut-off events. [2024-11-28 03:19:23,715 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 03:19:23,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 395 events. 37/395 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 929 event pairs, 20 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 412. Up to 67 conditions per place. [2024-11-28 03:19:23,724 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2024-11-28 03:19:23,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 332 transitions, 726 flow [2024-11-28 03:19:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-28 03:19:23,728 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-28 03:19:23,728 INFO L175 Difference]: Start difference. First operand has 330 places, 333 transitions, 682 flow. Second operand 3 states and 1041 transitions. [2024-11-28 03:19:23,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 332 transitions, 726 flow [2024-11-28 03:19:23,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 332 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:23,736 INFO L231 Difference]: Finished difference. Result has 329 places, 332 transitions, 680 flow [2024-11-28 03:19:23,736 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=329, PETRI_TRANSITIONS=332} [2024-11-28 03:19:23,738 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -17 predicate places. [2024-11-28 03:19:23,738 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 332 transitions, 680 flow [2024-11-28 03:19:23,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:23,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:23,739 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] [2024-11-28 03:19:23,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:19:23,740 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:23,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:23,740 INFO L85 PathProgramCache]: Analyzing trace with hash 424972646, now seen corresponding path program 1 times [2024-11-28 03:19:23,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:23,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163959475] [2024-11-28 03:19:23,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:23,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:23,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:23,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:23,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163959475] [2024-11-28 03:19:23,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163959475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:23,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:23,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:23,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701888501] [2024-11-28 03:19:23,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:23,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:23,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:23,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:23,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:23,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-28 03:19:23,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 332 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:23,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:23,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-28 03:19:23,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:24,867 INFO L124 PetriNetUnfolderBase]: 755/4731 cut-off events. [2024-11-28 03:19:24,867 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-28 03:19:24,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5736 conditions, 4731 events. 755/4731 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 46095 event pairs, 387 based on Foata normal form. 0/3476 useless extension candidates. Maximal degree in co-relation 5667. Up to 936 conditions per place. [2024-11-28 03:19:24,995 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2024-11-28 03:19:24,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 331 transitions, 724 flow [2024-11-28 03:19:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-28 03:19:24,998 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-28 03:19:24,998 INFO L175 Difference]: Start difference. First operand has 329 places, 332 transitions, 680 flow. Second operand 3 states and 1041 transitions. [2024-11-28 03:19:24,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 331 transitions, 724 flow [2024-11-28 03:19:25,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 331 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:25,008 INFO L231 Difference]: Finished difference. Result has 328 places, 331 transitions, 678 flow [2024-11-28 03:19:25,009 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=678, PETRI_PLACES=328, PETRI_TRANSITIONS=331} [2024-11-28 03:19:25,009 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -18 predicate places. [2024-11-28 03:19:25,009 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 331 transitions, 678 flow [2024-11-28 03:19:25,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,012 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:25,012 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] [2024-11-28 03:19:25,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:19:25,012 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:25,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:25,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1361823689, now seen corresponding path program 1 times [2024-11-28 03:19:25,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:25,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455071941] [2024-11-28 03:19:25,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:25,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:25,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:25,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455071941] [2024-11-28 03:19:25,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455071941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:25,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:25,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:25,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864304833] [2024-11-28 03:19:25,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:25,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:25,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:25,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:25,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:25,144 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-28 03:19:25,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 331 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:25,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-28 03:19:25,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:25,258 INFO L124 PetriNetUnfolderBase]: 52/461 cut-off events. [2024-11-28 03:19:25,258 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:19:25,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 461 events. 52/461 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1741 event pairs, 30 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 533. Up to 90 conditions per place. [2024-11-28 03:19:25,283 INFO L140 encePairwiseOnDemand]: 364/373 looper letters, 29 selfloop transitions, 3 changer transitions 0/331 dead transitions. [2024-11-28 03:19:25,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 331 transitions, 747 flow [2024-11-28 03:19:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1034 transitions. [2024-11-28 03:19:25,285 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9240393208221627 [2024-11-28 03:19:25,286 INFO L175 Difference]: Start difference. First operand has 328 places, 331 transitions, 678 flow. Second operand 3 states and 1034 transitions. [2024-11-28 03:19:25,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 331 transitions, 747 flow [2024-11-28 03:19:25,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 331 transitions, 743 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:25,296 INFO L231 Difference]: Finished difference. Result has 323 places, 326 transitions, 675 flow [2024-11-28 03:19:25,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=323, PETRI_TRANSITIONS=326} [2024-11-28 03:19:25,300 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -23 predicate places. [2024-11-28 03:19:25,300 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 326 transitions, 675 flow [2024-11-28 03:19:25,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:25,301 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] [2024-11-28 03:19:25,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:19:25,301 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:25,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:25,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1252435440, now seen corresponding path program 1 times [2024-11-28 03:19:25,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:25,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092642525] [2024-11-28 03:19:25,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:25,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:25,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092642525] [2024-11-28 03:19:25,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092642525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:25,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:25,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:25,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825590799] [2024-11-28 03:19:25,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:25,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:25,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:25,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:25,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:25,413 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-28 03:19:25,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 326 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:25,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-28 03:19:25,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:25,525 INFO L124 PetriNetUnfolderBase]: 52/457 cut-off events. [2024-11-28 03:19:25,525 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 03:19:25,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 457 events. 52/457 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1673 event pairs, 30 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 515. Up to 88 conditions per place. [2024-11-28 03:19:25,533 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 27 selfloop transitions, 3 changer transitions 0/327 dead transitions. [2024-11-28 03:19:25,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 327 transitions, 742 flow [2024-11-28 03:19:25,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-28 03:19:25,535 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-28 03:19:25,535 INFO L175 Difference]: Start difference. First operand has 323 places, 326 transitions, 675 flow. Second operand 3 states and 1040 transitions. [2024-11-28 03:19:25,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 327 transitions, 742 flow [2024-11-28 03:19:25,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 327 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:19:25,541 INFO L231 Difference]: Finished difference. Result has 320 places, 322 transitions, 675 flow [2024-11-28 03:19:25,542 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=320, PETRI_TRANSITIONS=322} [2024-11-28 03:19:25,543 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -26 predicate places. [2024-11-28 03:19:25,543 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 322 transitions, 675 flow [2024-11-28 03:19:25,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:25,544 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] [2024-11-28 03:19:25,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:19:25,544 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:25,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:25,544 INFO L85 PathProgramCache]: Analyzing trace with hash 616668734, now seen corresponding path program 1 times [2024-11-28 03:19:25,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:25,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450472332] [2024-11-28 03:19:25,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:25,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:25,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450472332] [2024-11-28 03:19:25,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450472332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:25,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:25,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106747099] [2024-11-28 03:19:25,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:25,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:25,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:25,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:25,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:25,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-28 03:19:25,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 322 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:25,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-28 03:19:25,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:25,852 INFO L124 PetriNetUnfolderBase]: 70/752 cut-off events. [2024-11-28 03:19:25,853 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 03:19:25,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 752 events. 70/752 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3769 event pairs, 25 based on Foata normal form. 0/638 useless extension candidates. Maximal degree in co-relation 825. Up to 96 conditions per place. [2024-11-28 03:19:25,866 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 32 selfloop transitions, 4 changer transitions 0/326 dead transitions. [2024-11-28 03:19:25,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 326 transitions, 763 flow [2024-11-28 03:19:25,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1038 transitions. [2024-11-28 03:19:25,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9276139410187667 [2024-11-28 03:19:25,870 INFO L175 Difference]: Start difference. First operand has 320 places, 322 transitions, 675 flow. Second operand 3 states and 1038 transitions. [2024-11-28 03:19:25,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 326 transitions, 763 flow [2024-11-28 03:19:25,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 326 transitions, 760 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:19:25,875 INFO L231 Difference]: Finished difference. Result has 316 places, 318 transitions, 680 flow [2024-11-28 03:19:25,876 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=316, PETRI_TRANSITIONS=318} [2024-11-28 03:19:25,877 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -30 predicate places. [2024-11-28 03:19:25,877 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 318 transitions, 680 flow [2024-11-28 03:19:25,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:25,878 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] [2024-11-28 03:19:25,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:19:25,878 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:25,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:25,879 INFO L85 PathProgramCache]: Analyzing trace with hash -86807826, now seen corresponding path program 1 times [2024-11-28 03:19:25,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:25,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712275973] [2024-11-28 03:19:25,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:25,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:25,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712275973] [2024-11-28 03:19:25,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712275973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:25,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:25,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:25,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634842650] [2024-11-28 03:19:25,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:25,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:25,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:25,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:25,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:25,995 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-28 03:19:25,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 318 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:25,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:25,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-28 03:19:25,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:26,203 INFO L124 PetriNetUnfolderBase]: 104/910 cut-off events. [2024-11-28 03:19:26,203 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-28 03:19:26,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 910 events. 104/910 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5087 event pairs, 9 based on Foata normal form. 0/795 useless extension candidates. Maximal degree in co-relation 875. Up to 151 conditions per place. [2024-11-28 03:19:26,220 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 31 selfloop transitions, 3 changer transitions 0/323 dead transitions. [2024-11-28 03:19:26,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 323 transitions, 767 flow [2024-11-28 03:19:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2024-11-28 03:19:26,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9329758713136729 [2024-11-28 03:19:26,222 INFO L175 Difference]: Start difference. First operand has 316 places, 318 transitions, 680 flow. Second operand 3 states and 1044 transitions. [2024-11-28 03:19:26,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 323 transitions, 767 flow [2024-11-28 03:19:26,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 323 transitions, 763 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:19:26,227 INFO L231 Difference]: Finished difference. Result has 313 places, 314 transitions, 679 flow [2024-11-28 03:19:26,228 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=313, PETRI_TRANSITIONS=314} [2024-11-28 03:19:26,228 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -33 predicate places. [2024-11-28 03:19:26,228 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 314 transitions, 679 flow [2024-11-28 03:19:26,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:26,229 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:26,229 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] [2024-11-28 03:19:26,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:19:26,230 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:26,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:26,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2065743124, now seen corresponding path program 1 times [2024-11-28 03:19:26,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:26,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326384075] [2024-11-28 03:19:26,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:26,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:26,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326384075] [2024-11-28 03:19:26,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326384075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:26,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:26,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:26,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688596785] [2024-11-28 03:19:26,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:26,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:26,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:26,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:26,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:26,305 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-28 03:19:26,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 314 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:26,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:26,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-28 03:19:26,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:26,605 INFO L124 PetriNetUnfolderBase]: 153/1421 cut-off events. [2024-11-28 03:19:26,605 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2024-11-28 03:19:26,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1843 conditions, 1421 events. 153/1421 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9669 event pairs, 12 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 1329. Up to 235 conditions per place. [2024-11-28 03:19:26,627 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 34 selfloop transitions, 4 changer transitions 0/320 dead transitions. [2024-11-28 03:19:26,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 320 transitions, 777 flow [2024-11-28 03:19:26,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-28 03:19:26,630 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-28 03:19:26,631 INFO L175 Difference]: Start difference. First operand has 313 places, 314 transitions, 679 flow. Second operand 3 states and 1040 transitions. [2024-11-28 03:19:26,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 320 transitions, 777 flow [2024-11-28 03:19:26,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 320 transitions, 774 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:19:26,639 INFO L231 Difference]: Finished difference. Result has 309 places, 310 transitions, 684 flow [2024-11-28 03:19:26,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=309, PETRI_TRANSITIONS=310} [2024-11-28 03:19:26,641 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -37 predicate places. [2024-11-28 03:19:26,641 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 310 transitions, 684 flow [2024-11-28 03:19:26,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:26,641 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:26,641 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] [2024-11-28 03:19:26,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:19:26,642 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:26,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:26,643 INFO L85 PathProgramCache]: Analyzing trace with hash -904229867, now seen corresponding path program 1 times [2024-11-28 03:19:26,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:26,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920731804] [2024-11-28 03:19:26,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:26,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:26,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920731804] [2024-11-28 03:19:26,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920731804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:26,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:26,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:26,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489830516] [2024-11-28 03:19:26,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:26,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:26,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:26,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:26,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:26,751 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-28 03:19:26,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 310 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:26,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:26,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-28 03:19:26,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:27,135 INFO L124 PetriNetUnfolderBase]: 222/2002 cut-off events. [2024-11-28 03:19:27,136 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-28 03:19:27,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2627 conditions, 2002 events. 222/2002 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 15444 event pairs, 19 based on Foata normal form. 1/1819 useless extension candidates. Maximal degree in co-relation 1756. Up to 332 conditions per place. [2024-11-28 03:19:27,170 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 30 selfloop transitions, 3 changer transitions 18/317 dead transitions. [2024-11-28 03:19:27,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 317 transitions, 779 flow [2024-11-28 03:19:27,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1045 transitions. [2024-11-28 03:19:27,173 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9338695263628239 [2024-11-28 03:19:27,174 INFO L175 Difference]: Start difference. First operand has 309 places, 310 transitions, 684 flow. Second operand 3 states and 1045 transitions. [2024-11-28 03:19:27,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 317 transitions, 779 flow [2024-11-28 03:19:27,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 317 transitions, 775 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:19:27,182 INFO L231 Difference]: Finished difference. Result has 306 places, 288 transitions, 646 flow [2024-11-28 03:19:27,183 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=306, PETRI_TRANSITIONS=288} [2024-11-28 03:19:27,184 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -40 predicate places. [2024-11-28 03:19:27,184 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 288 transitions, 646 flow [2024-11-28 03:19:27,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:27,185 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:27,185 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] [2024-11-28 03:19:27,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:19:27,186 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:27,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:27,186 INFO L85 PathProgramCache]: Analyzing trace with hash 460828832, now seen corresponding path program 1 times [2024-11-28 03:19:27,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:27,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832006014] [2024-11-28 03:19:27,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:27,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:27,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:27,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832006014] [2024-11-28 03:19:27,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832006014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:27,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:27,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:27,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375870875] [2024-11-28 03:19:27,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:27,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:27,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:27,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:27,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:27,314 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 373 [2024-11-28 03:19:27,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 288 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:27,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:27,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 373 [2024-11-28 03:19:27,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:36,938 INFO L124 PetriNetUnfolderBase]: 18691/70752 cut-off events. [2024-11-28 03:19:36,938 INFO L125 PetriNetUnfolderBase]: For 1780/1780 co-relation queries the response was YES. [2024-11-28 03:19:37,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102346 conditions, 70752 events. 18691/70752 cut-off events. For 1780/1780 co-relation queries the response was YES. Maximal size of possible extension queue 2549. Compared 1064989 event pairs, 9985 based on Foata normal form. 0/60924 useless extension candidates. Maximal degree in co-relation 36296. Up to 23154 conditions per place. [2024-11-28 03:19:37,936 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 29 selfloop transitions, 6 changer transitions 0/293 dead transitions. [2024-11-28 03:19:37,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 293 transitions, 731 flow [2024-11-28 03:19:37,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-28 03:19:37,939 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-28 03:19:37,939 INFO L175 Difference]: Start difference. First operand has 306 places, 288 transitions, 646 flow. Second operand 3 states and 1040 transitions. [2024-11-28 03:19:37,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 293 transitions, 731 flow [2024-11-28 03:19:38,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 293 transitions, 728 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:19:38,090 INFO L231 Difference]: Finished difference. Result has 285 places, 288 transitions, 673 flow [2024-11-28 03:19:38,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=285, PETRI_TRANSITIONS=288} [2024-11-28 03:19:38,091 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -61 predicate places. [2024-11-28 03:19:38,091 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 288 transitions, 673 flow [2024-11-28 03:19:38,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:38,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:38,092 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] [2024-11-28 03:19:38,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:19:38,092 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:38,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:38,093 INFO L85 PathProgramCache]: Analyzing trace with hash -968687190, now seen corresponding path program 1 times [2024-11-28 03:19:38,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:38,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555178847] [2024-11-28 03:19:38,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:38,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:38,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:38,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555178847] [2024-11-28 03:19:38,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555178847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:38,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:38,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:38,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740035535] [2024-11-28 03:19:38,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:38,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:38,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:38,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:38,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:38,222 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-28 03:19:38,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 288 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:38,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:38,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-28 03:19:38,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:39,698 INFO L124 PetriNetUnfolderBase]: 2051/10608 cut-off events. [2024-11-28 03:19:39,699 INFO L125 PetriNetUnfolderBase]: For 73/109 co-relation queries the response was YES. [2024-11-28 03:19:39,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15083 conditions, 10608 events. 2051/10608 cut-off events. For 73/109 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 128492 event pairs, 546 based on Foata normal form. 0/9023 useless extension candidates. Maximal degree in co-relation 8297. Up to 2106 conditions per place. [2024-11-28 03:19:39,884 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-28 03:19:39,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 292 transitions, 740 flow [2024-11-28 03:19:39,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-28 03:19:39,888 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-28 03:19:39,888 INFO L175 Difference]: Start difference. First operand has 285 places, 288 transitions, 673 flow. Second operand 3 states and 1047 transitions. [2024-11-28 03:19:39,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 292 transitions, 740 flow [2024-11-28 03:19:39,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 292 transitions, 740 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:19:39,899 INFO L231 Difference]: Finished difference. Result has 286 places, 287 transitions, 675 flow [2024-11-28 03:19:39,900 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=284, 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=675, PETRI_PLACES=286, PETRI_TRANSITIONS=287} [2024-11-28 03:19:39,900 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -60 predicate places. [2024-11-28 03:19:39,900 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 287 transitions, 675 flow [2024-11-28 03:19:39,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:39,901 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:39,901 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] [2024-11-28 03:19:39,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:19:39,902 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:39,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:39,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2047641568, now seen corresponding path program 1 times [2024-11-28 03:19:39,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036102461] [2024-11-28 03:19:39,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:39,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:39,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:39,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036102461] [2024-11-28 03:19:39,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036102461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:39,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:39,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:39,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697833089] [2024-11-28 03:19:39,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:39,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:39,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:39,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:39,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:40,001 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-28 03:19:40,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 287 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:40,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:40,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-28 03:19:40,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:42,662 INFO L124 PetriNetUnfolderBase]: 3759/16546 cut-off events. [2024-11-28 03:19:42,663 INFO L125 PetriNetUnfolderBase]: For 424/448 co-relation queries the response was YES. [2024-11-28 03:19:43,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25348 conditions, 16546 events. 3759/16546 cut-off events. For 424/448 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 212269 event pairs, 1349 based on Foata normal form. 0/14624 useless extension candidates. Maximal degree in co-relation 24559. Up to 2985 conditions per place. [2024-11-28 03:19:43,127 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 24 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-28 03:19:43,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 291 transitions, 740 flow [2024-11-28 03:19:43,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-28 03:19:43,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-28 03:19:43,132 INFO L175 Difference]: Start difference. First operand has 286 places, 287 transitions, 675 flow. Second operand 3 states and 1049 transitions. [2024-11-28 03:19:43,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 291 transitions, 740 flow [2024-11-28 03:19:43,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 291 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:43,148 INFO L231 Difference]: Finished difference. Result has 285 places, 286 transitions, 673 flow [2024-11-28 03:19:43,148 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=285, PETRI_TRANSITIONS=286} [2024-11-28 03:19:43,149 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -61 predicate places. [2024-11-28 03:19:43,149 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 286 transitions, 673 flow [2024-11-28 03:19:43,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:43,150 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:43,150 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] [2024-11-28 03:19:43,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:19:43,151 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:43,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1219526575, now seen corresponding path program 1 times [2024-11-28 03:19:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:43,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434832478] [2024-11-28 03:19:43,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:43,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:43,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:43,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434832478] [2024-11-28 03:19:43,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434832478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:43,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:43,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:43,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150172412] [2024-11-28 03:19:43,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:43,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:43,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:43,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:43,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:43,298 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-28 03:19:43,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 286 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:43,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:43,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-28 03:19:43,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:46,556 INFO L124 PetriNetUnfolderBase]: 3027/13553 cut-off events. [2024-11-28 03:19:46,556 INFO L125 PetriNetUnfolderBase]: For 597/615 co-relation queries the response was YES. [2024-11-28 03:19:46,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20580 conditions, 13553 events. 3027/13553 cut-off events. For 597/615 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 167078 event pairs, 962 based on Foata normal form. 0/11986 useless extension candidates. Maximal degree in co-relation 18976. Up to 2533 conditions per place. [2024-11-28 03:19:46,905 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 26 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-28 03:19:46,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 290 transitions, 742 flow [2024-11-28 03:19:46,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-28 03:19:46,908 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-28 03:19:46,908 INFO L175 Difference]: Start difference. First operand has 285 places, 286 transitions, 673 flow. Second operand 3 states and 1047 transitions. [2024-11-28 03:19:46,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 290 transitions, 742 flow [2024-11-28 03:19:46,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 290 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:46,928 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 671 flow [2024-11-28 03:19:46,929 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=671, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2024-11-28 03:19:46,930 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -62 predicate places. [2024-11-28 03:19:46,930 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 671 flow [2024-11-28 03:19:46,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:46,931 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:46,931 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] [2024-11-28 03:19:46,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:19:46,932 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:46,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:46,933 INFO L85 PathProgramCache]: Analyzing trace with hash 691052478, now seen corresponding path program 1 times [2024-11-28 03:19:46,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:46,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452586785] [2024-11-28 03:19:46,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:46,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:47,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:47,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452586785] [2024-11-28 03:19:47,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452586785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:47,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:47,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:47,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761058091] [2024-11-28 03:19:47,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:47,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:47,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:47,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:47,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:47,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-28 03:19:47,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 671 flow. Second operand has 3 states, 3 states have (on average 344.6666666666667) internal successors, (1034), 3 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:47,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:47,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-28 03:19:47,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:49,038 INFO L124 PetriNetUnfolderBase]: 2607/11521 cut-off events. [2024-11-28 03:19:49,038 INFO L125 PetriNetUnfolderBase]: For 623/654 co-relation queries the response was YES. [2024-11-28 03:19:49,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17581 conditions, 11521 events. 2607/11521 cut-off events. For 623/654 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 137936 event pairs, 847 based on Foata normal form. 3/10243 useless extension candidates. Maximal degree in co-relation 16425. Up to 2195 conditions per place. [2024-11-28 03:19:49,257 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 24 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-28 03:19:49,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 289 transitions, 736 flow [2024-11-28 03:19:49,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-28 03:19:49,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-28 03:19:49,260 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 671 flow. Second operand 3 states and 1049 transitions. [2024-11-28 03:19:49,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 289 transitions, 736 flow [2024-11-28 03:19:49,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 289 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:49,274 INFO L231 Difference]: Finished difference. Result has 283 places, 284 transitions, 669 flow [2024-11-28 03:19:49,275 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=283, PETRI_TRANSITIONS=284} [2024-11-28 03:19:49,275 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -63 predicate places. [2024-11-28 03:19:49,275 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 284 transitions, 669 flow [2024-11-28 03:19:49,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.6666666666667) internal successors, (1034), 3 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:49,276 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:49,276 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] [2024-11-28 03:19:49,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:19:49,276 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread5Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:49,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:49,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1247273744, now seen corresponding path program 1 times [2024-11-28 03:19:49,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:49,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510702116] [2024-11-28 03:19:49,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:49,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:49,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:49,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510702116] [2024-11-28 03:19:49,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510702116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:49,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:49,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:49,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029553563] [2024-11-28 03:19:49,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:49,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:49,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:49,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:49,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:49,405 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-28 03:19:49,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 284 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:49,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:49,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-28 03:19:49,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:51,154 INFO L124 PetriNetUnfolderBase]: 2003/9379 cut-off events. [2024-11-28 03:19:51,154 INFO L125 PetriNetUnfolderBase]: For 551/595 co-relation queries the response was YES. [2024-11-28 03:19:51,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13950 conditions, 9379 events. 2003/9379 cut-off events. For 551/595 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 107256 event pairs, 626 based on Foata normal form. 5/8300 useless extension candidates. Maximal degree in co-relation 12767. Up to 1876 conditions per place. [2024-11-28 03:19:51,328 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 26 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-28 03:19:51,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 288 transitions, 738 flow [2024-11-28 03:19:51,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-28 03:19:51,331 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-28 03:19:51,331 INFO L175 Difference]: Start difference. First operand has 283 places, 284 transitions, 669 flow. Second operand 3 states and 1047 transitions. [2024-11-28 03:19:51,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 288 transitions, 738 flow [2024-11-28 03:19:51,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 288 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:51,345 INFO L231 Difference]: Finished difference. Result has 282 places, 283 transitions, 667 flow [2024-11-28 03:19:51,345 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=280, 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=667, PETRI_PLACES=282, PETRI_TRANSITIONS=283} [2024-11-28 03:19:51,346 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -64 predicate places. [2024-11-28 03:19:51,346 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 283 transitions, 667 flow [2024-11-28 03:19:51,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:51,347 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:19:51,347 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] [2024-11-28 03:19:51,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:19:51,347 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread6Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-28 03:19:51,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:51,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1734450922, now seen corresponding path program 1 times [2024-11-28 03:19:51,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:19:51,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645406616] [2024-11-28 03:19:51,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:51,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:19:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:19:51,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:19:51,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645406616] [2024-11-28 03:19:51,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645406616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:51,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:51,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:19:51,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456304549] [2024-11-28 03:19:51,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:51,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:19:51,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:19:51,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:19:51,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:19:51,458 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-28 03:19:51,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 283 transitions, 667 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:51,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:19:51,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-28 03:19:51,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:19:52,783 INFO L124 PetriNetUnfolderBase]: 1397/7322 cut-off events. [2024-11-28 03:19:52,783 INFO L125 PetriNetUnfolderBase]: For 292/320 co-relation queries the response was YES. [2024-11-28 03:19:52,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10336 conditions, 7322 events. 1397/7322 cut-off events. For 292/320 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 79752 event pairs, 375 based on Foata normal form. 4/6478 useless extension candidates. Maximal degree in co-relation 9562. Up to 1480 conditions per place. [2024-11-28 03:19:52,864 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-11-28 03:19:52,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 287 transitions, 732 flow [2024-11-28 03:19:52,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:19:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:19:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-28 03:19:52,867 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-28 03:19:52,867 INFO L175 Difference]: Start difference. First operand has 282 places, 283 transitions, 667 flow. Second operand 3 states and 1049 transitions. [2024-11-28 03:19:52,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 287 transitions, 732 flow [2024-11-28 03:19:52,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 287 transitions, 728 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:19:52,874 INFO L231 Difference]: Finished difference. Result has 281 places, 0 transitions, 0 flow [2024-11-28 03:19:52,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=281, PETRI_TRANSITIONS=0} [2024-11-28 03:19:52,875 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -65 predicate places. [2024-11-28 03:19:52,875 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 0 transitions, 0 flow [2024-11-28 03:19:52,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:19:52,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (87 of 88 remaining) [2024-11-28 03:19:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 88 remaining) [2024-11-28 03:19:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 88 remaining) [2024-11-28 03:19:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 88 remaining) [2024-11-28 03:19:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 88 remaining) [2024-11-28 03:19:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (82 of 88 remaining) [2024-11-28 03:19:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (81 of 88 remaining) [2024-11-28 03:19:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (80 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (79 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (78 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (77 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (76 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (75 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (74 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (73 of 88 remaining) [2024-11-28 03:19:52,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (60 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (59 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 88 remaining) [2024-11-28 03:19:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (53 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (52 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (51 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (44 of 88 remaining) [2024-11-28 03:19:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (43 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (42 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (41 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (40 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (39 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (38 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (37 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (36 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (35 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (34 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (33 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (32 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (31 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (30 of 88 remaining) [2024-11-28 03:19:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 88 remaining) [2024-11-28 03:19:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 88 remaining) [2024-11-28 03:19:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 88 remaining) [2024-11-28 03:19:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 88 remaining) [2024-11-28 03:19:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 88 remaining) [2024-11-28 03:19:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (19 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (18 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (17 of 88 remaining) [2024-11-28 03:19:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (16 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (15 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (12 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (11 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (10 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (9 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (8 of 88 remaining) [2024-11-28 03:19:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (7 of 88 remaining) [2024-11-28 03:19:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (6 of 88 remaining) [2024-11-28 03:19:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (5 of 88 remaining) [2024-11-28 03:19:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (4 of 88 remaining) [2024-11-28 03:19:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (3 of 88 remaining) [2024-11-28 03:19:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (2 of 88 remaining) [2024-11-28 03:19:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (1 of 88 remaining) [2024-11-28 03:19:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (0 of 88 remaining) [2024-11-28 03:19:52,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:19:52,888 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] [2024-11-28 03:19:52,894 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:19:52,894 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:19:52,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:52 BasicIcfg [2024-11-28 03:19:52,900 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:19:52,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:19:52,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:19:52,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:19:52,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:20" (3/4) ... [2024-11-28 03:19:52,904 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:19:52,907 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:19:52,907 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:19:52,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 03:19:52,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-28 03:19:52,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-28 03:19:52,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-11-28 03:19:52,915 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 03:19:52,917 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 03:19:52,918 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:19:52,918 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:19:53,021 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:19:53,022 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:19:53,022 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:19:53,024 INFO L158 Benchmark]: Toolchain (without parser) took 33681.50ms. Allocated memory was 142.6MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 119.6MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2024-11-28 03:19:53,024 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 80.8MB in the end (delta: 210.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:19:53,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.52ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 107.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:19:53,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:19:53,026 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:19:53,027 INFO L158 Benchmark]: RCFGBuilder took 939.06ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 78.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:19:53,027 INFO L158 Benchmark]: TraceAbstraction took 32160.26ms. Allocated memory was 142.6MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 78.1MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. [2024-11-28 03:19:53,028 INFO L158 Benchmark]: Witness Printer took 121.47ms. Allocated memory is still 9.6GB. Free memory was 5.1GB in the beginning and 5.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:19:53,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 80.8MB in the end (delta: 210.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.52ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 107.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 103.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 939.06ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 78.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32160.26ms. Allocated memory was 142.6MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 78.1MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. * Witness Printer took 121.47ms. Allocated memory is still 9.6GB. Free memory was 5.1GB in the beginning and 5.1GB 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: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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 13 procedures, 497 locations, 88 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: 31.9s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1010 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1170 IncrementalHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 202 mSDtfsCounter, 1170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=728occurred in iteration=0, InterpolantAutomatonStates: 60, 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, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1679 NumberOfCodeBlocks, 1679 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1659 ConstructedInterpolants, 0 QuantifiedInterpolants, 1699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:19:53,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ead2891-2b36-41ee-b741-8fff188697a5/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