./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-subst.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_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/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_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/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_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/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 58f1358e24877c92a149b6121e272e93974801203e91da3c444aa78d712ada40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:33:38,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:33:38,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:33:38,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:33:38,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:33:38,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:33:39,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:33:39,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:33:39,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:33:39,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:33:39,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:33:39,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:33:39,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:33:39,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:33:39,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:33:39,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:33:39,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:33:39,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:33:39,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:33:39,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:33:39,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:33:39,007 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:33:39,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:33:39,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:33:39,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:33:39,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:33:39,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:33:39,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:33:39,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:33:39,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:33:39,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:33:39,010 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:33:39,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:33:39,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:33:39,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:33:39,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:33:39,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:33:39,010 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:33:39,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:33:39,011 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_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/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 -> 58f1358e24877c92a149b6121e272e93974801203e91da3c444aa78d712ada40 [2024-11-28 02:33:39,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:33:39,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:33:39,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:33:39,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:33:39,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:33:39,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c [2024-11-28 02:33:43,038 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/data/4433e6285/4b4c83d6ab654358b8855ea9936c6e9b/FLAGe8ee54ed5 [2024-11-28 02:33:43,383 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:33:43,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c [2024-11-28 02:33:43,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/data/4433e6285/4b4c83d6ab654358b8855ea9936c6e9b/FLAGe8ee54ed5 [2024-11-28 02:33:43,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/data/4433e6285/4b4c83d6ab654358b8855ea9936c6e9b [2024-11-28 02:33:43,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:33:43,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:33:43,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:33:43,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:33:43,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:33:43,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d74be17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43, skipping insertion in model container [2024-11-28 02:33:43,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:33:43,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:33:43,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:33:43,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:33:43,839 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:33:43,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43 WrapperNode [2024-11-28 02:33:43,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:33:43,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:33:43,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:33:43,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:33:43,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,894 INFO L138 Inliner]: procedures = 22, calls = 17, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 239 [2024-11-28 02:33:43,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:33:43,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:33:43,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:33:43,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:33:43,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:33:43,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:33:43,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:33:43,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:33:43,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (1/1) ... [2024-11-28 02:33:43,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:33:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:33:43,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:33:43,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:33:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:33:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:33:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:33:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:33:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:33:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:33:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:33:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:33:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:33:44,033 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 02:33:44,215 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:33:44,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:33:44,859 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:33:44,859 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:33:44,900 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:33:44,900 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:33:44,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:44 BoogieIcfgContainer [2024-11-28 02:33:44,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:33:44,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:33:44,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:33:44,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:33:44,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:33:43" (1/3) ... [2024-11-28 02:33:44,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330dca68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:33:44, skipping insertion in model container [2024-11-28 02:33:44,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:33:43" (2/3) ... [2024-11-28 02:33:44,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330dca68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:33:44, skipping insertion in model container [2024-11-28 02:33:44,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:44" (3/3) ... [2024-11-28 02:33:44,919 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-subst.wvr.c [2024-11-28 02:33:44,942 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:33:44,944 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-simpl-str-subst.wvr.c that has 4 procedures, 311 locations, 1 initial locations, 0 loop locations, and 29 error locations. [2024-11-28 02:33:44,945 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:33:45,098 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 02:33:45,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 325 transitions, 671 flow [2024-11-28 02:33:45,417 INFO L124 PetriNetUnfolderBase]: 15/322 cut-off events. [2024-11-28 02:33:45,420 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:33:45,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 322 events. 15/322 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 741 event pairs, 0 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2024-11-28 02:33:45,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 320 places, 325 transitions, 671 flow [2024-11-28 02:33:45,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 299 places, 302 transitions, 622 flow [2024-11-28 02:33:45,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:33:45,491 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;@3f2de058, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:33:45,492 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-28 02:33:45,509 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:33:45,509 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-28 02:33:45,509 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:33:45,509 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:45,510 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 02:33:45,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:45,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:45,518 INFO L85 PathProgramCache]: Analyzing trace with hash 182671358, now seen corresponding path program 1 times [2024-11-28 02:33:45,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:45,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346998764] [2024-11-28 02:33:45,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:45,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:45,775 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 02:33:45,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:45,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346998764] [2024-11-28 02:33:45,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346998764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:45,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:45,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:45,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212086327] [2024-11-28 02:33:45,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:45,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:45,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:45,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:45,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:45,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 325 [2024-11-28 02:33:45,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 302 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:45,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:45,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 325 [2024-11-28 02:33:45,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:46,277 INFO L124 PetriNetUnfolderBase]: 25/649 cut-off events. [2024-11-28 02:33:46,277 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-28 02:33:46,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 649 events. 25/649 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3260 event pairs, 7 based on Foata normal form. 22/566 useless extension candidates. Maximal degree in co-relation 514. Up to 25 conditions per place. [2024-11-28 02:33:46,289 INFO L140 encePairwiseOnDemand]: 315/325 looper letters, 11 selfloop transitions, 2 changer transitions 1/294 dead transitions. [2024-11-28 02:33:46,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 294 transitions, 632 flow [2024-11-28 02:33:46,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-28 02:33:46,310 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2024-11-28 02:33:46,313 INFO L175 Difference]: Start difference. First operand has 299 places, 302 transitions, 622 flow. Second operand 3 states and 924 transitions. [2024-11-28 02:33:46,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 294 transitions, 632 flow [2024-11-28 02:33:46,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 294 transitions, 620 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 02:33:46,329 INFO L231 Difference]: Finished difference. Result has 294 places, 293 transitions, 596 flow [2024-11-28 02:33:46,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=596, PETRI_PLACES=294, PETRI_TRANSITIONS=293} [2024-11-28 02:33:46,338 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -5 predicate places. [2024-11-28 02:33:46,338 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 293 transitions, 596 flow [2024-11-28 02:33:46,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:46,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:46,339 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:46,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:33:46,340 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:46,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:46,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1666545074, now seen corresponding path program 1 times [2024-11-28 02:33:46,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:46,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724330537] [2024-11-28 02:33:46,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:46,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:46,411 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 02:33:46,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:46,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724330537] [2024-11-28 02:33:46,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724330537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:46,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:46,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:46,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769087288] [2024-11-28 02:33:46,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:46,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:46,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:46,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:46,462 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 325 [2024-11-28 02:33:46,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 293 transitions, 596 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:46,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:46,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 325 [2024-11-28 02:33:46,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:46,668 INFO L124 PetriNetUnfolderBase]: 21/551 cut-off events. [2024-11-28 02:33:46,668 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-28 02:33:46,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 551 events. 21/551 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2526 event pairs, 7 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 555. Up to 25 conditions per place. [2024-11-28 02:33:46,678 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 11 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-28 02:33:46,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 292 transitions, 620 flow [2024-11-28 02:33:46,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:46,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-28 02:33:46,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9405128205128205 [2024-11-28 02:33:46,703 INFO L175 Difference]: Start difference. First operand has 294 places, 293 transitions, 596 flow. Second operand 3 states and 917 transitions. [2024-11-28 02:33:46,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 292 transitions, 620 flow [2024-11-28 02:33:46,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 292 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:46,719 INFO L231 Difference]: Finished difference. Result has 292 places, 292 transitions, 594 flow [2024-11-28 02:33:46,719 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=292, PETRI_TRANSITIONS=292} [2024-11-28 02:33:46,721 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -7 predicate places. [2024-11-28 02:33:46,721 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 292 transitions, 594 flow [2024-11-28 02:33:46,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:46,723 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:46,723 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] [2024-11-28 02:33:46,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:33:46,723 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:46,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2079277513, now seen corresponding path program 1 times [2024-11-28 02:33:46,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:46,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348680772] [2024-11-28 02:33:46,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:46,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:46,823 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 02:33:46,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:46,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348680772] [2024-11-28 02:33:46,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348680772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:46,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:46,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:46,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813041537] [2024-11-28 02:33:46,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:46,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:46,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:46,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:46,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:46,881 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2024-11-28 02:33:46,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 292 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 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 02:33:46,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:46,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2024-11-28 02:33:46,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:47,041 INFO L124 PetriNetUnfolderBase]: 20/460 cut-off events. [2024-11-28 02:33:47,042 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:33:47,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 502 conditions, 460 events. 20/460 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1954 event pairs, 8 based on Foata normal form. 0/397 useless extension candidates. Maximal degree in co-relation 460. Up to 29 conditions per place. [2024-11-28 02:33:47,050 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 12 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-28 02:33:47,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 291 transitions, 620 flow [2024-11-28 02:33:47,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 915 transitions. [2024-11-28 02:33:47,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9384615384615385 [2024-11-28 02:33:47,054 INFO L175 Difference]: Start difference. First operand has 292 places, 292 transitions, 594 flow. Second operand 3 states and 915 transitions. [2024-11-28 02:33:47,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 291 transitions, 620 flow [2024-11-28 02:33:47,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 291 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:47,067 INFO L231 Difference]: Finished difference. Result has 291 places, 291 transitions, 592 flow [2024-11-28 02:33:47,068 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=291, PETRI_TRANSITIONS=291} [2024-11-28 02:33:47,069 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -8 predicate places. [2024-11-28 02:33:47,069 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 291 transitions, 592 flow [2024-11-28 02:33:47,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 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 02:33:47,070 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:47,070 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] [2024-11-28 02:33:47,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:33:47,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:47,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:47,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1640872581, now seen corresponding path program 1 times [2024-11-28 02:33:47,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:47,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127990201] [2024-11-28 02:33:47,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:47,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:47,182 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 02:33:47,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:47,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127990201] [2024-11-28 02:33:47,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127990201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:47,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:47,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:47,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284968453] [2024-11-28 02:33:47,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:47,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:47,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:47,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:47,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:47,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 325 [2024-11-28 02:33:47,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 291 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:47,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:47,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 325 [2024-11-28 02:33:47,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:47,356 INFO L124 PetriNetUnfolderBase]: 15/424 cut-off events. [2024-11-28 02:33:47,356 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-28 02:33:47,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 424 events. 15/424 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1661 event pairs, 5 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 407. Up to 22 conditions per place. [2024-11-28 02:33:47,362 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 11 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-28 02:33:47,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 290 transitions, 616 flow [2024-11-28 02:33:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-28 02:33:47,366 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9405128205128205 [2024-11-28 02:33:47,366 INFO L175 Difference]: Start difference. First operand has 291 places, 291 transitions, 592 flow. Second operand 3 states and 917 transitions. [2024-11-28 02:33:47,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 290 transitions, 616 flow [2024-11-28 02:33:47,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 290 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:47,376 INFO L231 Difference]: Finished difference. Result has 290 places, 290 transitions, 590 flow [2024-11-28 02:33:47,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=290, PETRI_TRANSITIONS=290} [2024-11-28 02:33:47,378 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -9 predicate places. [2024-11-28 02:33:47,379 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 290 transitions, 590 flow [2024-11-28 02:33:47,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:47,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:47,381 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] [2024-11-28 02:33:47,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:33:47,381 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:47,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:47,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2125481100, now seen corresponding path program 1 times [2024-11-28 02:33:47,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:47,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967579453] [2024-11-28 02:33:47,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:47,461 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 02:33:47,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:47,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967579453] [2024-11-28 02:33:47,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967579453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:47,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:47,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:47,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509389575] [2024-11-28 02:33:47,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:47,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:47,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:47,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:47,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:47,505 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 325 [2024-11-28 02:33:47,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 290 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:33:47,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:47,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 325 [2024-11-28 02:33:47,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:47,708 INFO L124 PetriNetUnfolderBase]: 42/733 cut-off events. [2024-11-28 02:33:47,708 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-11-28 02:33:47,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 733 events. 42/733 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3774 event pairs, 20 based on Foata normal form. 0/626 useless extension candidates. Maximal degree in co-relation 736. Up to 50 conditions per place. [2024-11-28 02:33:47,720 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 13 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-28 02:33:47,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 289 transitions, 618 flow [2024-11-28 02:33:47,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2024-11-28 02:33:47,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9364102564102564 [2024-11-28 02:33:47,724 INFO L175 Difference]: Start difference. First operand has 290 places, 290 transitions, 590 flow. Second operand 3 states and 913 transitions. [2024-11-28 02:33:47,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 289 transitions, 618 flow [2024-11-28 02:33:47,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 289 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:47,731 INFO L231 Difference]: Finished difference. Result has 289 places, 289 transitions, 588 flow [2024-11-28 02:33:47,732 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=289, PETRI_TRANSITIONS=289} [2024-11-28 02:33:47,735 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -10 predicate places. [2024-11-28 02:33:47,736 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 289 transitions, 588 flow [2024-11-28 02:33:47,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:33:47,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:47,738 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] [2024-11-28 02:33:47,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:33:47,739 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:47,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:47,741 INFO L85 PathProgramCache]: Analyzing trace with hash 372904994, now seen corresponding path program 1 times [2024-11-28 02:33:47,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:47,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535072826] [2024-11-28 02:33:47,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:47,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:47,821 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 02:33:47,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:47,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535072826] [2024-11-28 02:33:47,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535072826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:47,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:47,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:47,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503987340] [2024-11-28 02:33:47,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:47,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:47,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:47,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:47,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:47,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 325 [2024-11-28 02:33:47,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 289 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:47,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:47,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 325 [2024-11-28 02:33:47,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:47,963 INFO L124 PetriNetUnfolderBase]: 15/361 cut-off events. [2024-11-28 02:33:47,963 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-28 02:33:47,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 361 events. 15/361 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1268 event pairs, 7 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 330. Up to 25 conditions per place. [2024-11-28 02:33:47,968 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 11 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-28 02:33:47,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 288 transitions, 612 flow [2024-11-28 02:33:47,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2024-11-28 02:33:47,972 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9405128205128205 [2024-11-28 02:33:47,972 INFO L175 Difference]: Start difference. First operand has 289 places, 289 transitions, 588 flow. Second operand 3 states and 917 transitions. [2024-11-28 02:33:47,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 288 transitions, 612 flow [2024-11-28 02:33:47,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 288 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:47,979 INFO L231 Difference]: Finished difference. Result has 288 places, 288 transitions, 586 flow [2024-11-28 02:33:47,980 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=288, PETRI_TRANSITIONS=288} [2024-11-28 02:33:47,981 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -11 predicate places. [2024-11-28 02:33:47,981 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 288 transitions, 586 flow [2024-11-28 02:33:47,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 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 02:33:47,982 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:47,982 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] [2024-11-28 02:33:47,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:33:47,983 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:47,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:47,984 INFO L85 PathProgramCache]: Analyzing trace with hash 91897490, now seen corresponding path program 1 times [2024-11-28 02:33:47,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:47,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255768374] [2024-11-28 02:33:47,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:47,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:48,055 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 02:33:48,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:48,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255768374] [2024-11-28 02:33:48,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255768374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:48,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:48,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:48,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439067427] [2024-11-28 02:33:48,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:48,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:48,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:48,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:48,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:48,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:48,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 288 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 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 02:33:48,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:48,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:48,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:48,330 INFO L124 PetriNetUnfolderBase]: 46/884 cut-off events. [2024-11-28 02:33:48,330 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:33:48,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 884 events. 46/884 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5573 event pairs, 12 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 875. Up to 43 conditions per place. [2024-11-28 02:33:48,343 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 13 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-28 02:33:48,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 290 transitions, 622 flow [2024-11-28 02:33:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2024-11-28 02:33:48,347 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9497435897435897 [2024-11-28 02:33:48,347 INFO L175 Difference]: Start difference. First operand has 288 places, 288 transitions, 586 flow. Second operand 3 states and 926 transitions. [2024-11-28 02:33:48,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 290 transitions, 622 flow [2024-11-28 02:33:48,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 290 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:48,355 INFO L231 Difference]: Finished difference. Result has 287 places, 288 transitions, 592 flow [2024-11-28 02:33:48,355 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=287, PETRI_TRANSITIONS=288} [2024-11-28 02:33:48,357 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -12 predicate places. [2024-11-28 02:33:48,358 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 288 transitions, 592 flow [2024-11-28 02:33:48,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 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 02:33:48,359 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:48,359 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] [2024-11-28 02:33:48,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:33:48,359 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:48,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:48,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1824695897, now seen corresponding path program 1 times [2024-11-28 02:33:48,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:48,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952750338] [2024-11-28 02:33:48,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:48,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:48,466 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 02:33:48,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:48,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952750338] [2024-11-28 02:33:48,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952750338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:48,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:48,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:48,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114663889] [2024-11-28 02:33:48,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:48,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:48,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:48,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:48,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:48,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2024-11-28 02:33:48,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 288 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 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 02:33:48,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:48,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2024-11-28 02:33:48,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:48,719 INFO L124 PetriNetUnfolderBase]: 45/803 cut-off events. [2024-11-28 02:33:48,720 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:33:48,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 876 conditions, 803 events. 45/803 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4856 event pairs, 10 based on Foata normal form. 0/698 useless extension candidates. Maximal degree in co-relation 733. Up to 49 conditions per place. [2024-11-28 02:33:48,732 INFO L140 encePairwiseOnDemand]: 319/325 looper letters, 15 selfloop transitions, 3 changer transitions 0/290 dead transitions. [2024-11-28 02:33:48,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 290 transitions, 634 flow [2024-11-28 02:33:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 921 transitions. [2024-11-28 02:33:48,735 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9446153846153846 [2024-11-28 02:33:48,735 INFO L175 Difference]: Start difference. First operand has 287 places, 288 transitions, 592 flow. Second operand 3 states and 921 transitions. [2024-11-28 02:33:48,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 290 transitions, 634 flow [2024-11-28 02:33:48,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 290 transitions, 634 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:33:48,746 INFO L231 Difference]: Finished difference. Result has 287 places, 288 transitions, 607 flow [2024-11-28 02:33:48,750 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=607, PETRI_PLACES=287, PETRI_TRANSITIONS=288} [2024-11-28 02:33:48,751 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -12 predicate places. [2024-11-28 02:33:48,751 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 288 transitions, 607 flow [2024-11-28 02:33:48,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 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 02:33:48,754 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:48,754 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] [2024-11-28 02:33:48,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:33:48,755 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:48,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1855236869, now seen corresponding path program 1 times [2024-11-28 02:33:48,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:48,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925715879] [2024-11-28 02:33:48,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:48,874 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 02:33:48,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:48,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925715879] [2024-11-28 02:33:48,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925715879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:48,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:48,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:48,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067816147] [2024-11-28 02:33:48,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:48,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:48,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:48,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:48,904 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:48,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 288 transitions, 607 flow. Second operand has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 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 02:33:48,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:48,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:48,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:49,152 INFO L124 PetriNetUnfolderBase]: 38/959 cut-off events. [2024-11-28 02:33:49,153 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2024-11-28 02:33:49,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 959 events. 38/959 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5918 event pairs, 4 based on Foata normal form. 1/853 useless extension candidates. Maximal degree in co-relation 847. Up to 53 conditions per place. [2024-11-28 02:33:49,167 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 16 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-28 02:33:49,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 293 transitions, 658 flow [2024-11-28 02:33:49,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 929 transitions. [2024-11-28 02:33:49,170 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9528205128205128 [2024-11-28 02:33:49,170 INFO L175 Difference]: Start difference. First operand has 287 places, 288 transitions, 607 flow. Second operand 3 states and 929 transitions. [2024-11-28 02:33:49,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 293 transitions, 658 flow [2024-11-28 02:33:49,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 293 transitions, 658 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:33:49,178 INFO L231 Difference]: Finished difference. Result has 288 places, 288 transitions, 617 flow [2024-11-28 02:33:49,179 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=617, PETRI_PLACES=288, PETRI_TRANSITIONS=288} [2024-11-28 02:33:49,179 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -11 predicate places. [2024-11-28 02:33:49,181 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 288 transitions, 617 flow [2024-11-28 02:33:49,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 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 02:33:49,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:49,182 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] [2024-11-28 02:33:49,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:33:49,183 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:49,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash -471178849, now seen corresponding path program 1 times [2024-11-28 02:33:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235723077] [2024-11-28 02:33:49,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:49,289 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 02:33:49,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:49,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235723077] [2024-11-28 02:33:49,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235723077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:49,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:49,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:49,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288867755] [2024-11-28 02:33:49,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:49,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:49,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:49,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:49,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:49,315 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:49,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 288 transitions, 617 flow. Second operand has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 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 02:33:49,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:49,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:49,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:49,612 INFO L124 PetriNetUnfolderBase]: 33/1027 cut-off events. [2024-11-28 02:33:49,612 INFO L125 PetriNetUnfolderBase]: For 15/25 co-relation queries the response was YES. [2024-11-28 02:33:49,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1027 events. 33/1027 cut-off events. For 15/25 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5838 event pairs, 4 based on Foata normal form. 0/915 useless extension candidates. Maximal degree in co-relation 965. Up to 51 conditions per place. [2024-11-28 02:33:49,629 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 16 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-28 02:33:49,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 293 transitions, 668 flow [2024-11-28 02:33:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 929 transitions. [2024-11-28 02:33:49,632 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9528205128205128 [2024-11-28 02:33:49,632 INFO L175 Difference]: Start difference. First operand has 288 places, 288 transitions, 617 flow. Second operand 3 states and 929 transitions. [2024-11-28 02:33:49,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 293 transitions, 668 flow [2024-11-28 02:33:49,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 293 transitions, 668 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:33:49,639 INFO L231 Difference]: Finished difference. Result has 289 places, 288 transitions, 627 flow [2024-11-28 02:33:49,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=627, PETRI_PLACES=289, PETRI_TRANSITIONS=288} [2024-11-28 02:33:49,642 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -10 predicate places. [2024-11-28 02:33:49,642 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 288 transitions, 627 flow [2024-11-28 02:33:49,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 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 02:33:49,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:49,643 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] [2024-11-28 02:33:49,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:33:49,644 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:49,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:49,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1134306589, now seen corresponding path program 1 times [2024-11-28 02:33:49,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:49,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231640320] [2024-11-28 02:33:49,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:49,741 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 02:33:49,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:49,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231640320] [2024-11-28 02:33:49,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231640320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:49,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:49,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:49,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196834603] [2024-11-28 02:33:49,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:49,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:49,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:49,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:49,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:49,766 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 325 [2024-11-28 02:33:49,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 288 transitions, 627 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 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 02:33:49,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:49,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 325 [2024-11-28 02:33:49,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:50,032 INFO L124 PetriNetUnfolderBase]: 34/997 cut-off events. [2024-11-28 02:33:50,033 INFO L125 PetriNetUnfolderBase]: For 4/17 co-relation queries the response was YES. [2024-11-28 02:33:50,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 997 events. 34/997 cut-off events. For 4/17 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5841 event pairs, 8 based on Foata normal form. 2/885 useless extension candidates. Maximal degree in co-relation 965. Up to 38 conditions per place. [2024-11-28 02:33:50,053 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 11 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-28 02:33:50,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 289 transitions, 657 flow [2024-11-28 02:33:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2024-11-28 02:33:50,056 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9497435897435897 [2024-11-28 02:33:50,056 INFO L175 Difference]: Start difference. First operand has 289 places, 288 transitions, 627 flow. Second operand 3 states and 926 transitions. [2024-11-28 02:33:50,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 289 transitions, 657 flow [2024-11-28 02:33:50,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 289 transitions, 657 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:33:50,068 INFO L231 Difference]: Finished difference. Result has 290 places, 287 transitions, 629 flow [2024-11-28 02:33:50,068 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=288, 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=629, PETRI_PLACES=290, PETRI_TRANSITIONS=287} [2024-11-28 02:33:50,069 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -9 predicate places. [2024-11-28 02:33:50,070 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 287 transitions, 629 flow [2024-11-28 02:33:50,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 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 02:33:50,070 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:50,071 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 02:33:50,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:33:50,072 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:50,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2083931817, now seen corresponding path program 1 times [2024-11-28 02:33:50,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:50,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283532141] [2024-11-28 02:33:50,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:50,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:50,141 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 02:33:50,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:50,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283532141] [2024-11-28 02:33:50,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283532141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:50,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:50,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768416224] [2024-11-28 02:33:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:50,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:50,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:50,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:50,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:50,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 325 [2024-11-28 02:33:50,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 287 transitions, 629 flow. Second operand has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 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 02:33:50,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:50,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 325 [2024-11-28 02:33:50,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:50,787 INFO L124 PetriNetUnfolderBase]: 226/2802 cut-off events. [2024-11-28 02:33:50,787 INFO L125 PetriNetUnfolderBase]: For 71/221 co-relation queries the response was YES. [2024-11-28 02:33:50,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3284 conditions, 2802 events. 226/2802 cut-off events. For 71/221 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 25428 event pairs, 100 based on Foata normal form. 1/2502 useless extension candidates. Maximal degree in co-relation 2762. Up to 329 conditions per place. [2024-11-28 02:33:50,860 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 17 selfloop transitions, 4 changer transitions 0/289 dead transitions. [2024-11-28 02:33:50,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 289 transitions, 677 flow [2024-11-28 02:33:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2024-11-28 02:33:50,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9394871794871795 [2024-11-28 02:33:50,863 INFO L175 Difference]: Start difference. First operand has 290 places, 287 transitions, 629 flow. Second operand 3 states and 916 transitions. [2024-11-28 02:33:50,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 289 transitions, 677 flow [2024-11-28 02:33:50,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:50,869 INFO L231 Difference]: Finished difference. Result has 287 places, 287 transitions, 645 flow [2024-11-28 02:33:50,870 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=287, PETRI_TRANSITIONS=287} [2024-11-28 02:33:50,873 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -12 predicate places. [2024-11-28 02:33:50,873 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 287 transitions, 645 flow [2024-11-28 02:33:50,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.6666666666667) internal successors, (896), 3 states have internal predecessors, (896), 0 states have call successors, (0), 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 02:33:50,874 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:50,874 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] [2024-11-28 02:33:50,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:33:50,874 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:50,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:50,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2005244654, now seen corresponding path program 1 times [2024-11-28 02:33:50,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:50,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429087335] [2024-11-28 02:33:50,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:50,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:50,959 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 02:33:50,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:50,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429087335] [2024-11-28 02:33:50,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429087335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:50,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:50,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:50,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270808924] [2024-11-28 02:33:50,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:50,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:50,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:50,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:50,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:50,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:50,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 287 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 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 02:33:50,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:50,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:50,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:51,532 INFO L124 PetriNetUnfolderBase]: 108/2656 cut-off events. [2024-11-28 02:33:51,532 INFO L125 PetriNetUnfolderBase]: For 36/42 co-relation queries the response was YES. [2024-11-28 02:33:51,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2952 conditions, 2656 events. 108/2656 cut-off events. For 36/42 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 23423 event pairs, 14 based on Foata normal form. 0/2405 useless extension candidates. Maximal degree in co-relation 2473. Up to 164 conditions per place. [2024-11-28 02:33:51,560 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 15 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-28 02:33:51,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 291 transitions, 691 flow [2024-11-28 02:33:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2024-11-28 02:33:51,564 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9517948717948718 [2024-11-28 02:33:51,564 INFO L175 Difference]: Start difference. First operand has 287 places, 287 transitions, 645 flow. Second operand 3 states and 928 transitions. [2024-11-28 02:33:51,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 291 transitions, 691 flow [2024-11-28 02:33:51,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 291 transitions, 691 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:33:51,573 INFO L231 Difference]: Finished difference. Result has 288 places, 287 transitions, 655 flow [2024-11-28 02:33:51,574 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=288, PETRI_TRANSITIONS=287} [2024-11-28 02:33:51,575 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -11 predicate places. [2024-11-28 02:33:51,575 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 287 transitions, 655 flow [2024-11-28 02:33:51,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 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 02:33:51,576 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:51,576 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] [2024-11-28 02:33:51,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:33:51,576 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:51,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:51,577 INFO L85 PathProgramCache]: Analyzing trace with hash -684237204, now seen corresponding path program 1 times [2024-11-28 02:33:51,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:51,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979260402] [2024-11-28 02:33:51,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:51,652 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 02:33:51,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:51,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979260402] [2024-11-28 02:33:51,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979260402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:51,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:51,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:51,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545467132] [2024-11-28 02:33:51,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:51,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:51,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:51,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:51,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:51,692 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:51,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 287 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 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 02:33:51,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:51,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:51,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:52,170 INFO L124 PetriNetUnfolderBase]: 97/2277 cut-off events. [2024-11-28 02:33:52,171 INFO L125 PetriNetUnfolderBase]: For 24/60 co-relation queries the response was YES. [2024-11-28 02:33:52,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2651 conditions, 2277 events. 97/2277 cut-off events. For 24/60 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 19422 event pairs, 18 based on Foata normal form. 2/2073 useless extension candidates. Maximal degree in co-relation 2097. Up to 73 conditions per place. [2024-11-28 02:33:52,192 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 12 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-28 02:33:52,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 288 transitions, 687 flow [2024-11-28 02:33:52,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-28 02:33:52,195 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2024-11-28 02:33:52,196 INFO L175 Difference]: Start difference. First operand has 288 places, 287 transitions, 655 flow. Second operand 3 states and 924 transitions. [2024-11-28 02:33:52,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 288 transitions, 687 flow [2024-11-28 02:33:52,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 687 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:33:52,204 INFO L231 Difference]: Finished difference. Result has 289 places, 286 transitions, 657 flow [2024-11-28 02:33:52,205 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=287, 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=657, PETRI_PLACES=289, PETRI_TRANSITIONS=286} [2024-11-28 02:33:52,207 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -10 predicate places. [2024-11-28 02:33:52,207 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 286 transitions, 657 flow [2024-11-28 02:33:52,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 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 02:33:52,208 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:52,208 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] [2024-11-28 02:33:52,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:33:52,209 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:52,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:52,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1908473204, now seen corresponding path program 1 times [2024-11-28 02:33:52,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:52,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371732777] [2024-11-28 02:33:52,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:52,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:52,285 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 02:33:52,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:52,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371732777] [2024-11-28 02:33:52,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371732777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:52,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:52,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:52,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68439907] [2024-11-28 02:33:52,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:52,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:52,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:52,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:52,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:52,311 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:52,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 286 transitions, 657 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 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 02:33:52,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:52,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:52,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:52,778 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([850] L55-25-->L55-26: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet12#1][181], [Black: 349#true, 368#true, 24#L55-26true, Black: 353#true, 362#(= |#race~length_4~0| 0), 70#L76true, 366#(= |#race~to_int_5~0| 0), Black: 360#true, 343#(= |#race~length_0~0| 0), Black: 364#true, 347#(= |#race~length_2~0| 0), Black: 341#true, 351#(= |#race~to_int_1~0| 0), 371#true, Black: 345#true, 355#(= |#race~to_int_3~0| 0)]) [2024-11-28 02:33:52,778 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2024-11-28 02:33:52,779 INFO L297 olderBase$Statistics]: existing Event has 215 ancestors and is not cut-off event [2024-11-28 02:33:52,779 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-11-28 02:33:52,779 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-11-28 02:33:52,786 INFO L124 PetriNetUnfolderBase]: 131/1723 cut-off events. [2024-11-28 02:33:52,786 INFO L125 PetriNetUnfolderBase]: For 86/123 co-relation queries the response was YES. [2024-11-28 02:33:52,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2205 conditions, 1723 events. 131/1723 cut-off events. For 86/123 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 14175 event pairs, 36 based on Foata normal form. 0/1587 useless extension candidates. Maximal degree in co-relation 1885. Up to 169 conditions per place. [2024-11-28 02:33:52,808 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 12 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2024-11-28 02:33:52,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 287 transitions, 689 flow [2024-11-28 02:33:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:52,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-28 02:33:52,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2024-11-28 02:33:52,813 INFO L175 Difference]: Start difference. First operand has 289 places, 286 transitions, 657 flow. Second operand 3 states and 924 transitions. [2024-11-28 02:33:52,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 287 transitions, 689 flow [2024-11-28 02:33:52,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 287 transitions, 685 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:52,821 INFO L231 Difference]: Finished difference. Result has 288 places, 285 transitions, 655 flow [2024-11-28 02:33:52,822 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=286, 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=655, PETRI_PLACES=288, PETRI_TRANSITIONS=285} [2024-11-28 02:33:52,823 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -11 predicate places. [2024-11-28 02:33:52,823 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 285 transitions, 655 flow [2024-11-28 02:33:52,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 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 02:33:52,824 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:52,825 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] [2024-11-28 02:33:52,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:33:52,825 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:52,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:52,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2108863995, now seen corresponding path program 1 times [2024-11-28 02:33:52,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:52,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876988850] [2024-11-28 02:33:52,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:52,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:52,948 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 02:33:52,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:52,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876988850] [2024-11-28 02:33:52,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876988850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:52,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:52,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:52,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180876151] [2024-11-28 02:33:52,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:52,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:52,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:52,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:52,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:52,962 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 325 [2024-11-28 02:33:52,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 285 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:33:52,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:52,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 325 [2024-11-28 02:33:52,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:53,348 INFO L124 PetriNetUnfolderBase]: 68/2037 cut-off events. [2024-11-28 02:33:53,348 INFO L125 PetriNetUnfolderBase]: For 8/20 co-relation queries the response was YES. [2024-11-28 02:33:53,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2397 conditions, 2037 events. 68/2037 cut-off events. For 8/20 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 16336 event pairs, 4 based on Foata normal form. 0/1899 useless extension candidates. Maximal degree in co-relation 2046. Up to 66 conditions per place. [2024-11-28 02:33:53,369 INFO L140 encePairwiseOnDemand]: 323/325 looper letters, 8 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-11-28 02:33:53,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 284 transitions, 671 flow [2024-11-28 02:33:53,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2024-11-28 02:33:53,372 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9517948717948718 [2024-11-28 02:33:53,373 INFO L175 Difference]: Start difference. First operand has 288 places, 285 transitions, 655 flow. Second operand 3 states and 928 transitions. [2024-11-28 02:33:53,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 284 transitions, 671 flow [2024-11-28 02:33:53,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 284 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:33:53,382 INFO L231 Difference]: Finished difference. Result has 287 places, 284 transitions, 651 flow [2024-11-28 02:33:53,382 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=651, PETRI_PLACES=287, PETRI_TRANSITIONS=284} [2024-11-28 02:33:53,383 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -12 predicate places. [2024-11-28 02:33:53,383 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 284 transitions, 651 flow [2024-11-28 02:33:53,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:33:53,384 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:53,384 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:53,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:33:53,385 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:53,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:53,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1653121731, now seen corresponding path program 1 times [2024-11-28 02:33:53,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:53,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083275284] [2024-11-28 02:33:53,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:53,494 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 02:33:53,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:53,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083275284] [2024-11-28 02:33:53,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083275284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:53,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:53,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927748238] [2024-11-28 02:33:53,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:53,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:53,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:53,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:53,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:53,514 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:53,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 284 transitions, 651 flow. Second operand has 3 states, 3 states have (on average 306.0) internal successors, (918), 3 states have internal predecessors, (918), 0 states have call successors, (0), 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 02:33:53,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:53,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:53,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:53,914 INFO L124 PetriNetUnfolderBase]: 70/2113 cut-off events. [2024-11-28 02:33:53,914 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-28 02:33:53,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2419 conditions, 2113 events. 70/2113 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 17249 event pairs, 9 based on Foata normal form. 0/1974 useless extension candidates. Maximal degree in co-relation 2290. Up to 70 conditions per place. [2024-11-28 02:33:53,931 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 10 selfloop transitions, 1 changer transitions 0/282 dead transitions. [2024-11-28 02:33:53,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 282 transitions, 669 flow [2024-11-28 02:33:53,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 922 transitions. [2024-11-28 02:33:53,934 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9456410256410256 [2024-11-28 02:33:53,935 INFO L175 Difference]: Start difference. First operand has 287 places, 284 transitions, 651 flow. Second operand 3 states and 922 transitions. [2024-11-28 02:33:53,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 282 transitions, 669 flow [2024-11-28 02:33:53,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 282 transitions, 668 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:33:53,941 INFO L231 Difference]: Finished difference. Result has 286 places, 282 transitions, 648 flow [2024-11-28 02:33:53,942 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=286, PETRI_TRANSITIONS=282} [2024-11-28 02:33:53,944 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -13 predicate places. [2024-11-28 02:33:53,945 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 282 transitions, 648 flow [2024-11-28 02:33:53,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.0) internal successors, (918), 3 states have internal predecessors, (918), 0 states have call successors, (0), 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 02:33:53,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:33:53,946 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:53,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:33:53,947 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-11-28 02:33:53,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:53,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1638243199, now seen corresponding path program 1 times [2024-11-28 02:33:53,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:33:53,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477084612] [2024-11-28 02:33:53,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:33:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:33:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:54,043 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 02:33:54,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:33:54,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477084612] [2024-11-28 02:33:54,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477084612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:33:54,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:33:54,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:33:54,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510752184] [2024-11-28 02:33:54,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:33:54,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:33:54,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:33:54,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:33:54,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:33:54,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-28 02:33:54,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 282 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 306.0) internal successors, (918), 3 states have internal predecessors, (918), 0 states have call successors, (0), 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 02:33:54,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:33:54,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-28 02:33:54,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:33:54,340 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([854] L55-26-->L55-27: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet12#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_1|, thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} AuxVars[] AssignedVars[#race~result_8~0][187], [Black: 349#true, Black: 353#true, 362#(= |#race~length_4~0| 0), 70#L76true, 366#(= |#race~to_int_5~0| 0), Black: 360#true, 343#(= |#race~length_0~0| 0), Black: 364#true, 347#(= |#race~length_2~0| 0), Black: 341#true, 380#true, 351#(= |#race~to_int_1~0| 0), 377#true, Black: 345#true, 89#L55-27true, 355#(= |#race~to_int_3~0| 0)]) [2024-11-28 02:33:54,340 INFO L294 olderBase$Statistics]: this new event has 216 ancestors and is cut-off event [2024-11-28 02:33:54,341 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-28 02:33:54,341 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-28 02:33:54,341 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-11-28 02:33:54,347 INFO L124 PetriNetUnfolderBase]: 68/1516 cut-off events. [2024-11-28 02:33:54,347 INFO L125 PetriNetUnfolderBase]: For 20/36 co-relation queries the response was YES. [2024-11-28 02:33:54,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 1516 events. 68/1516 cut-off events. For 20/36 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 11442 event pairs, 18 based on Foata normal form. 5/1415 useless extension candidates. Maximal degree in co-relation 1719. Up to 89 conditions per place. [2024-11-28 02:33:54,362 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 0 selfloop transitions, 0 changer transitions 280/280 dead transitions. [2024-11-28 02:33:54,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 280 transitions, 664 flow [2024-11-28 02:33:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:33:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:33:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 921 transitions. [2024-11-28 02:33:54,365 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9446153846153846 [2024-11-28 02:33:54,365 INFO L175 Difference]: Start difference. First operand has 286 places, 282 transitions, 648 flow. Second operand 3 states and 921 transitions. [2024-11-28 02:33:54,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 280 transitions, 664 flow [2024-11-28 02:33:54,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 280 transitions, 663 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:33:54,370 INFO L231 Difference]: Finished difference. Result has 285 places, 0 transitions, 0 flow [2024-11-28 02:33:54,371 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=285, PETRI_TRANSITIONS=0} [2024-11-28 02:33:54,371 INFO L279 CegarLoopForPetriNet]: 299 programPoint places, -14 predicate places. [2024-11-28 02:33:54,371 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 0 transitions, 0 flow [2024-11-28 02:33:54,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.0) internal successors, (918), 3 states have internal predecessors, (918), 0 states have call successors, (0), 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 02:33:54,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2024-11-28 02:33:54,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2024-11-28 02:33:54,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2024-11-28 02:33:54,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2024-11-28 02:33:54,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2024-11-28 02:33:54,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2024-11-28 02:33:54,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2024-11-28 02:33:54,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2024-11-28 02:33:54,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2024-11-28 02:33:54,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2024-11-28 02:33:54,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2024-11-28 02:33:54,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2024-11-28 02:33:54,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2024-11-28 02:33:54,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2024-11-28 02:33:54,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2024-11-28 02:33:54,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2024-11-28 02:33:54,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2024-11-28 02:33:54,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 50 remaining) [2024-11-28 02:33:54,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2024-11-28 02:33:54,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2024-11-28 02:33:54,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2024-11-28 02:33:54,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2024-11-28 02:33:54,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2024-11-28 02:33:54,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2024-11-28 02:33:54,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2024-11-28 02:33:54,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:33:54,385 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:33:54,396 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:33:54,397 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:33:54,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:33:54 BasicIcfg [2024-11-28 02:33:54,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:33:54,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:33:54,410 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:33:54,410 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:33:54,411 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:33:44" (3/4) ... [2024-11-28 02:33:54,413 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:33:54,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:33:54,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:33:54,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 02:33:54,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 02:33:54,427 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:33:54,427 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:33:54,428 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:33:54,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:33:54,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:33:54,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:33:54,547 INFO L158 Benchmark]: Toolchain (without parser) took 11125.15ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 91.7MB in the beginning and 118.1MB in the end (delta: -26.4MB). Peak memory consumption was 183.8MB. Max. memory is 16.1GB. [2024-11-28 02:33:54,547 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:33:54,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.74ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 79.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:33:54,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.02ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:33:54,549 INFO L158 Benchmark]: Boogie Preprocessor took 38.72ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:33:54,550 INFO L158 Benchmark]: RCFGBuilder took 962.28ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 54.3MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:33:54,551 INFO L158 Benchmark]: TraceAbstraction took 9501.82ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 54.0MB in the beginning and 122.9MB in the end (delta: -69.0MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. [2024-11-28 02:33:54,551 INFO L158 Benchmark]: Witness Printer took 136.93ms. Allocated memory is still 327.2MB. Free memory was 122.9MB in the beginning and 118.1MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:33:54,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.74ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 79.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.02ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.72ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 962.28ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 54.3MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9501.82ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 54.0MB in the beginning and 122.9MB in the end (delta: -69.0MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. * Witness Printer took 136.93ms. Allocated memory is still 327.2MB. Free memory was 122.9MB in the beginning and 118.1MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 488 locations, 50 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: 9.2s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 87 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=657occurred in iteration=14, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1477 NumberOfCodeBlocks, 1477 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:33:54,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ff639fe-a1d2-4190-b1a6-2f1e14c03279/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