./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:31:47,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:31:47,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:31:47,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:31:47,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:31:47,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:31:47,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:31:47,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:31:47,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:31:47,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:31:47,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:31:47,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:31:47,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:31:47,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:31:47,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:31:47,352 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:31:47,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:31:47,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:31:47,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:31:47,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:31:47,353 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:47,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:47,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:31:47,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:31:47,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:31:47,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:31:47,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:31:47,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:31:47,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:31:47,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:31:47,355 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_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 [2024-11-23 23:31:47,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:31:47,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:31:47,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:31:47,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:31:47,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:31:47,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2024-11-23 23:31:50,735 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/data/ebb130134/07b5ab051854473b87afd4868367974d/FLAG2630cb9cf [2024-11-23 23:31:51,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:31:51,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2024-11-23 23:31:51,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/data/ebb130134/07b5ab051854473b87afd4868367974d/FLAG2630cb9cf [2024-11-23 23:31:51,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/data/ebb130134/07b5ab051854473b87afd4868367974d [2024-11-23 23:31:51,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:31:51,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:31:51,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:51,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:31:51,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:31:51,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e161f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51, skipping insertion in model container [2024-11-23 23:31:51,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:31:51,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:51,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:31:51,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:51,706 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:31:51,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51 WrapperNode [2024-11-23 23:31:51,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:51,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:51,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:31:51,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:31:51,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,749 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 183 [2024-11-23 23:31:51,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:51,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:31:51,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:31:51,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:31:51,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:31:51,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:31:51,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:31:51,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:31:51,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (1/1) ... [2024-11-23 23:31:51,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:51,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:51,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:51,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:31:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:31:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 23:31:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 23:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 23:31:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 23:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 23:31:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 23:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-23 23:31:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-23 23:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:31:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-23 23:31:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-23 23:31:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-23 23:31:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-23 23:31:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:31:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:31:51,903 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:31:52,065 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:31:52,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:31:52,819 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:31:52,821 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:31:52,852 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:31:52,852 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-23 23:31:52,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:52 BoogieIcfgContainer [2024-11-23 23:31:52,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:31:52,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:31:52,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:31:52,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:31:52,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:31:51" (1/3) ... [2024-11-23 23:31:52,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc6272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:52, skipping insertion in model container [2024-11-23 23:31:52,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:51" (2/3) ... [2024-11-23 23:31:52,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc6272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:52, skipping insertion in model container [2024-11-23 23:31:52,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:52" (3/3) ... [2024-11-23 23:31:52,870 INFO L128 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2024-11-23 23:31:52,890 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:31:52,892 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp3x3.wvr.c that has 7 procedures, 353 locations, 1 initial locations, 6 loop locations, and 52 error locations. [2024-11-23 23:31:52,893 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:31:53,111 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-11-23 23:31:53,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 371 places, 373 transitions, 788 flow [2024-11-23 23:31:53,422 INFO L124 PetriNetUnfolderBase]: 21/367 cut-off events. [2024-11-23 23:31:53,427 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-23 23:31:53,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 367 events. 21/367 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 685 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 300. Up to 2 conditions per place. [2024-11-23 23:31:53,442 INFO L82 GeneralOperation]: Start removeDead. Operand has 371 places, 373 transitions, 788 flow [2024-11-23 23:31:53,458 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 346 transitions, 728 flow [2024-11-23 23:31:53,469 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:31:53,483 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;@7cf60f75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:31:53,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2024-11-23 23:31:53,495 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:31:53,495 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-23 23:31:53,495 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:31:53,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:53,500 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] [2024-11-23 23:31:53,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:53,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:53,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1029238836, now seen corresponding path program 1 times [2024-11-23 23:31:53,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:53,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844033241] [2024-11-23 23:31:53,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:53,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:53,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:53,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844033241] [2024-11-23 23:31:53,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844033241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:53,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:53,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:53,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410466485] [2024-11-23 23:31:53,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:53,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:53,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:53,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:53,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:53,871 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-23 23:31:53,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 346 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:53,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:53,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-23 23:31:53,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:54,133 INFO L124 PetriNetUnfolderBase]: 37/473 cut-off events. [2024-11-23 23:31:54,133 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-23 23:31:54,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 473 events. 37/473 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1697 event pairs, 20 based on Foata normal form. 91/466 useless extension candidates. Maximal degree in co-relation 485. Up to 68 conditions per place. [2024-11-23 23:31:54,145 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 22 selfloop transitions, 2 changer transitions 1/338 dead transitions. [2024-11-23 23:31:54,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 338 transitions, 760 flow [2024-11-23 23:31:54,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2024-11-23 23:31:54,169 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.934763181411975 [2024-11-23 23:31:54,173 INFO L175 Difference]: Start difference. First operand has 346 places, 346 transitions, 728 flow. Second operand 3 states and 1046 transitions. [2024-11-23 23:31:54,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 338 transitions, 760 flow [2024-11-23 23:31:54,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 338 transitions, 736 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-23 23:31:54,193 INFO L231 Difference]: Finished difference. Result has 335 places, 337 transitions, 690 flow [2024-11-23 23:31:54,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=335, PETRI_TRANSITIONS=337} [2024-11-23 23:31:54,205 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -11 predicate places. [2024-11-23 23:31:54,205 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 337 transitions, 690 flow [2024-11-23 23:31:54,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:54,206 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:54,206 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:54,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:31:54,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:54,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1516310053, now seen corresponding path program 1 times [2024-11-23 23:31:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:54,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349426882] [2024-11-23 23:31:54,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:54,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:54,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:54,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349426882] [2024-11-23 23:31:54,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349426882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:54,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:54,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:54,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896724465] [2024-11-23 23:31:54,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:54,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:54,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:54,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:54,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:54,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-23 23:31:54,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 337 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:54,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:54,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-23 23:31:54,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:54,521 INFO L124 PetriNetUnfolderBase]: 37/471 cut-off events. [2024-11-23 23:31:54,521 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-23 23:31:54,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 471 events. 37/471 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1619 event pairs, 20 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 532. Up to 67 conditions per place. [2024-11-23 23:31:54,530 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2024-11-23 23:31:54,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 336 transitions, 734 flow [2024-11-23 23:31:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-23 23:31:54,537 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-23 23:31:54,537 INFO L175 Difference]: Start difference. First operand has 335 places, 337 transitions, 690 flow. Second operand 3 states and 1041 transitions. [2024-11-23 23:31:54,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 336 transitions, 734 flow [2024-11-23 23:31:54,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 336 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:31:54,548 INFO L231 Difference]: Finished difference. Result has 333 places, 336 transitions, 688 flow [2024-11-23 23:31:54,549 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=333, PETRI_TRANSITIONS=336} [2024-11-23 23:31:54,550 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -13 predicate places. [2024-11-23 23:31:54,550 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 336 transitions, 688 flow [2024-11-23 23:31:54,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:54,551 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:54,551 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:54,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:31:54,551 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:54,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:54,553 INFO L85 PathProgramCache]: Analyzing trace with hash 220141317, now seen corresponding path program 1 times [2024-11-23 23:31:54,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:54,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427750433] [2024-11-23 23:31:54,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:54,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:54,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:54,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427750433] [2024-11-23 23:31:54,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427750433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:54,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:54,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:54,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324789541] [2024-11-23 23:31:54,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:54,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:54,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:54,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:54,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:54,703 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-23 23:31:54,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 336 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:54,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:54,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-23 23:31:54,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:54,861 INFO L124 PetriNetUnfolderBase]: 37/452 cut-off events. [2024-11-23 23:31:54,862 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-23 23:31:54,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 452 events. 37/452 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1452 event pairs, 20 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 503. Up to 68 conditions per place. [2024-11-23 23:31:54,871 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2024-11-23 23:31:54,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 335 transitions, 734 flow [2024-11-23 23:31:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:54,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-23 23:31:54,875 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9285075960679178 [2024-11-23 23:31:54,875 INFO L175 Difference]: Start difference. First operand has 333 places, 336 transitions, 688 flow. Second operand 3 states and 1039 transitions. [2024-11-23 23:31:54,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 335 transitions, 734 flow [2024-11-23 23:31:54,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 335 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:31:54,886 INFO L231 Difference]: Finished difference. Result has 332 places, 335 transitions, 686 flow [2024-11-23 23:31:54,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=332, PETRI_TRANSITIONS=335} [2024-11-23 23:31:54,887 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -14 predicate places. [2024-11-23 23:31:54,887 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 335 transitions, 686 flow [2024-11-23 23:31:54,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:54,888 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:54,889 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:54,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:31:54,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:54,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:54,889 INFO L85 PathProgramCache]: Analyzing trace with hash 280182052, now seen corresponding path program 1 times [2024-11-23 23:31:54,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:54,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32860879] [2024-11-23 23:31:54,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:54,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:54,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32860879] [2024-11-23 23:31:54,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32860879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:54,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:54,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:54,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943205958] [2024-11-23 23:31:54,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:54,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:54,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:54,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:54,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:55,028 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-23 23:31:55,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 335 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:55,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:55,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-23 23:31:55,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:55,183 INFO L124 PetriNetUnfolderBase]: 37/433 cut-off events. [2024-11-23 23:31:55,183 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-23 23:31:55,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 433 events. 37/433 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1260 event pairs, 20 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 472. Up to 67 conditions per place. [2024-11-23 23:31:55,192 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2024-11-23 23:31:55,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 334 transitions, 730 flow [2024-11-23 23:31:55,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-23 23:31:55,197 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-23 23:31:55,197 INFO L175 Difference]: Start difference. First operand has 332 places, 335 transitions, 686 flow. Second operand 3 states and 1041 transitions. [2024-11-23 23:31:55,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 334 transitions, 730 flow [2024-11-23 23:31:55,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 334 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:31:55,204 INFO L231 Difference]: Finished difference. Result has 331 places, 334 transitions, 684 flow [2024-11-23 23:31:55,205 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=331, PETRI_TRANSITIONS=334} [2024-11-23 23:31:55,206 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -15 predicate places. [2024-11-23 23:31:55,206 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 334 transitions, 684 flow [2024-11-23 23:31:55,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:55,207 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:55,208 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] [2024-11-23 23:31:55,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:31:55,208 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:55,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:55,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1239753170, now seen corresponding path program 1 times [2024-11-23 23:31:55,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:55,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694834480] [2024-11-23 23:31:55,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:55,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:55,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:55,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694834480] [2024-11-23 23:31:55,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694834480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:55,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:55,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:55,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269479957] [2024-11-23 23:31:55,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:55,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:55,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:55,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:55,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:55,348 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 373 [2024-11-23 23:31:55,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 334 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:55,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:55,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 373 [2024-11-23 23:31:55,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:55,489 INFO L124 PetriNetUnfolderBase]: 37/414 cut-off events. [2024-11-23 23:31:55,489 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-23 23:31:55,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 414 events. 37/414 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1095 event pairs, 20 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 443. Up to 68 conditions per place. [2024-11-23 23:31:55,496 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2024-11-23 23:31:55,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 333 transitions, 730 flow [2024-11-23 23:31:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:55,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-23 23:31:55,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9285075960679178 [2024-11-23 23:31:55,501 INFO L175 Difference]: Start difference. First operand has 331 places, 334 transitions, 684 flow. Second operand 3 states and 1039 transitions. [2024-11-23 23:31:55,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 333 transitions, 730 flow [2024-11-23 23:31:55,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 333 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:31:55,508 INFO L231 Difference]: Finished difference. Result has 330 places, 333 transitions, 682 flow [2024-11-23 23:31:55,509 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=330, PETRI_TRANSITIONS=333} [2024-11-23 23:31:55,510 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -16 predicate places. [2024-11-23 23:31:55,511 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 333 transitions, 682 flow [2024-11-23 23:31:55,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:55,512 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:55,512 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:55,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:31:55,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:55,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:55,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1169055789, now seen corresponding path program 1 times [2024-11-23 23:31:55,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:55,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807897169] [2024-11-23 23:31:55,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:55,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:55,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:55,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807897169] [2024-11-23 23:31:55,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807897169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:55,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:55,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:55,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559365497] [2024-11-23 23:31:55,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:55,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:55,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:55,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:55,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:55,660 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-23 23:31:55,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 333 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:55,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:55,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-23 23:31:55,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:55,777 INFO L124 PetriNetUnfolderBase]: 37/395 cut-off events. [2024-11-23 23:31:55,777 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-23 23:31:55,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 395 events. 37/395 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 929 event pairs, 20 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 412. Up to 67 conditions per place. [2024-11-23 23:31:55,784 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2024-11-23 23:31:55,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 332 transitions, 726 flow [2024-11-23 23:31:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-23 23:31:55,788 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-23 23:31:55,788 INFO L175 Difference]: Start difference. First operand has 330 places, 333 transitions, 682 flow. Second operand 3 states and 1041 transitions. [2024-11-23 23:31:55,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 332 transitions, 726 flow [2024-11-23 23:31:55,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 332 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:31:55,796 INFO L231 Difference]: Finished difference. Result has 329 places, 332 transitions, 680 flow [2024-11-23 23:31:55,796 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=329, PETRI_TRANSITIONS=332} [2024-11-23 23:31:55,797 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -17 predicate places. [2024-11-23 23:31:55,798 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 332 transitions, 680 flow [2024-11-23 23:31:55,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:55,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:55,799 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:55,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:31:55,800 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:55,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash 424972646, now seen corresponding path program 1 times [2024-11-23 23:31:55,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:55,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740186561] [2024-11-23 23:31:55,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:55,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:55,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740186561] [2024-11-23 23:31:55,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740186561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:55,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:55,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:55,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557593054] [2024-11-23 23:31:55,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:55,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:55,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:55,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:55,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:55,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 373 [2024-11-23 23:31:55,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 332 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:55,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:55,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 373 [2024-11-23 23:31:55,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:57,113 INFO L124 PetriNetUnfolderBase]: 755/4731 cut-off events. [2024-11-23 23:31:57,114 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-23 23:31:57,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5736 conditions, 4731 events. 755/4731 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 46095 event pairs, 387 based on Foata normal form. 0/3476 useless extension candidates. Maximal degree in co-relation 5667. Up to 936 conditions per place. [2024-11-23 23:31:57,206 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2024-11-23 23:31:57,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 331 transitions, 724 flow [2024-11-23 23:31:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2024-11-23 23:31:57,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302949061662198 [2024-11-23 23:31:57,209 INFO L175 Difference]: Start difference. First operand has 329 places, 332 transitions, 680 flow. Second operand 3 states and 1041 transitions. [2024-11-23 23:31:57,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 331 transitions, 724 flow [2024-11-23 23:31:57,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 331 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:31:57,217 INFO L231 Difference]: Finished difference. Result has 328 places, 331 transitions, 678 flow [2024-11-23 23:31:57,220 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=678, PETRI_PLACES=328, PETRI_TRANSITIONS=331} [2024-11-23 23:31:57,220 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -18 predicate places. [2024-11-23 23:31:57,221 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 331 transitions, 678 flow [2024-11-23 23:31:57,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:57,222 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:57,222 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:57,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:31:57,222 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:57,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:57,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1361823689, now seen corresponding path program 1 times [2024-11-23 23:31:57,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:57,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279940185] [2024-11-23 23:31:57,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:57,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:57,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:57,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279940185] [2024-11-23 23:31:57,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279940185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:57,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:57,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:57,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524549559] [2024-11-23 23:31:57,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:57,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:57,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:57,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:57,340 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-23 23:31:57,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 331 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:57,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:57,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-23 23:31:57,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:57,466 INFO L124 PetriNetUnfolderBase]: 52/461 cut-off events. [2024-11-23 23:31:57,467 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 23:31:57,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 461 events. 52/461 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1741 event pairs, 30 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 533. Up to 90 conditions per place. [2024-11-23 23:31:57,473 INFO L140 encePairwiseOnDemand]: 364/373 looper letters, 29 selfloop transitions, 3 changer transitions 0/331 dead transitions. [2024-11-23 23:31:57,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 331 transitions, 747 flow [2024-11-23 23:31:57,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1034 transitions. [2024-11-23 23:31:57,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9240393208221627 [2024-11-23 23:31:57,477 INFO L175 Difference]: Start difference. First operand has 328 places, 331 transitions, 678 flow. Second operand 3 states and 1034 transitions. [2024-11-23 23:31:57,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 331 transitions, 747 flow [2024-11-23 23:31:57,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 331 transitions, 743 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:31:57,488 INFO L231 Difference]: Finished difference. Result has 323 places, 326 transitions, 675 flow [2024-11-23 23:31:57,490 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=323, PETRI_TRANSITIONS=326} [2024-11-23 23:31:57,492 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -23 predicate places. [2024-11-23 23:31:57,494 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 326 transitions, 675 flow [2024-11-23 23:31:57,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:57,495 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:57,495 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:57,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:31:57,518 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:57,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:57,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1252435440, now seen corresponding path program 1 times [2024-11-23 23:31:57,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:57,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771079926] [2024-11-23 23:31:57,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:57,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:57,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:57,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771079926] [2024-11-23 23:31:57,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771079926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:57,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:57,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:57,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180982498] [2024-11-23 23:31:57,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:57,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:57,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:57,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:57,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:57,624 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-23 23:31:57,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 326 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:57,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:57,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-23 23:31:57,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:57,741 INFO L124 PetriNetUnfolderBase]: 52/457 cut-off events. [2024-11-23 23:31:57,742 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-23 23:31:57,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 457 events. 52/457 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1673 event pairs, 30 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 515. Up to 88 conditions per place. [2024-11-23 23:31:57,748 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 27 selfloop transitions, 3 changer transitions 0/327 dead transitions. [2024-11-23 23:31:57,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 327 transitions, 742 flow [2024-11-23 23:31:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-23 23:31:57,752 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-23 23:31:57,752 INFO L175 Difference]: Start difference. First operand has 323 places, 326 transitions, 675 flow. Second operand 3 states and 1040 transitions. [2024-11-23 23:31:57,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 327 transitions, 742 flow [2024-11-23 23:31:57,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 327 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:31:57,758 INFO L231 Difference]: Finished difference. Result has 320 places, 322 transitions, 675 flow [2024-11-23 23:31:57,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=320, PETRI_TRANSITIONS=322} [2024-11-23 23:31:57,761 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -26 predicate places. [2024-11-23 23:31:57,761 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 322 transitions, 675 flow [2024-11-23 23:31:57,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:57,762 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:57,763 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:57,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:31:57,763 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:57,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:57,764 INFO L85 PathProgramCache]: Analyzing trace with hash 616668734, now seen corresponding path program 1 times [2024-11-23 23:31:57,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:57,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029409398] [2024-11-23 23:31:57,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:57,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:57,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:57,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029409398] [2024-11-23 23:31:57,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029409398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:57,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:57,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:57,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922109486] [2024-11-23 23:31:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:57,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:57,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:57,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:57,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:57,870 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-23 23:31:57,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 322 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:57,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:57,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-23 23:31:57,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:58,227 INFO L124 PetriNetUnfolderBase]: 70/752 cut-off events. [2024-11-23 23:31:58,227 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-23 23:31:58,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 752 events. 70/752 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3769 event pairs, 25 based on Foata normal form. 0/638 useless extension candidates. Maximal degree in co-relation 825. Up to 96 conditions per place. [2024-11-23 23:31:58,247 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 32 selfloop transitions, 4 changer transitions 0/326 dead transitions. [2024-11-23 23:31:58,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 326 transitions, 763 flow [2024-11-23 23:31:58,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1038 transitions. [2024-11-23 23:31:58,251 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9276139410187667 [2024-11-23 23:31:58,251 INFO L175 Difference]: Start difference. First operand has 320 places, 322 transitions, 675 flow. Second operand 3 states and 1038 transitions. [2024-11-23 23:31:58,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 326 transitions, 763 flow [2024-11-23 23:31:58,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 326 transitions, 760 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:31:58,260 INFO L231 Difference]: Finished difference. Result has 316 places, 318 transitions, 680 flow [2024-11-23 23:31:58,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=316, PETRI_TRANSITIONS=318} [2024-11-23 23:31:58,261 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -30 predicate places. [2024-11-23 23:31:58,261 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 318 transitions, 680 flow [2024-11-23 23:31:58,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:58,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:58,263 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:58,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:31:58,263 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:58,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:58,264 INFO L85 PathProgramCache]: Analyzing trace with hash -86807826, now seen corresponding path program 1 times [2024-11-23 23:31:58,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:58,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869023935] [2024-11-23 23:31:58,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:58,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:58,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869023935] [2024-11-23 23:31:58,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869023935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:58,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:58,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:58,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132933916] [2024-11-23 23:31:58,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:58,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:58,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:58,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:58,408 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-23 23:31:58,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 318 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:58,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:58,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-23 23:31:58,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:58,689 INFO L124 PetriNetUnfolderBase]: 104/910 cut-off events. [2024-11-23 23:31:58,689 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-23 23:31:58,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 910 events. 104/910 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5087 event pairs, 9 based on Foata normal form. 0/795 useless extension candidates. Maximal degree in co-relation 875. Up to 151 conditions per place. [2024-11-23 23:31:58,705 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 31 selfloop transitions, 3 changer transitions 0/323 dead transitions. [2024-11-23 23:31:58,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 323 transitions, 767 flow [2024-11-23 23:31:58,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:58,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2024-11-23 23:31:58,709 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9329758713136729 [2024-11-23 23:31:58,709 INFO L175 Difference]: Start difference. First operand has 316 places, 318 transitions, 680 flow. Second operand 3 states and 1044 transitions. [2024-11-23 23:31:58,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 323 transitions, 767 flow [2024-11-23 23:31:58,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 323 transitions, 763 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:31:58,717 INFO L231 Difference]: Finished difference. Result has 313 places, 314 transitions, 679 flow [2024-11-23 23:31:58,718 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=313, PETRI_TRANSITIONS=314} [2024-11-23 23:31:58,718 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -33 predicate places. [2024-11-23 23:31:58,719 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 314 transitions, 679 flow [2024-11-23 23:31:58,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:58,720 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:58,720 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] [2024-11-23 23:31:58,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:31:58,720 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:58,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:58,721 INFO L85 PathProgramCache]: Analyzing trace with hash -2065743124, now seen corresponding path program 1 times [2024-11-23 23:31:58,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:58,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382238428] [2024-11-23 23:31:58,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:58,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:58,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382238428] [2024-11-23 23:31:58,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382238428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:58,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:58,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:58,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429563191] [2024-11-23 23:31:58,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:58,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:58,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:58,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:58,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:58,812 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 373 [2024-11-23 23:31:58,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 314 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:58,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:58,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 373 [2024-11-23 23:31:58,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:59,155 INFO L124 PetriNetUnfolderBase]: 153/1421 cut-off events. [2024-11-23 23:31:59,155 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2024-11-23 23:31:59,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1843 conditions, 1421 events. 153/1421 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9669 event pairs, 12 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 1329. Up to 235 conditions per place. [2024-11-23 23:31:59,174 INFO L140 encePairwiseOnDemand]: 363/373 looper letters, 34 selfloop transitions, 4 changer transitions 0/320 dead transitions. [2024-11-23 23:31:59,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 320 transitions, 777 flow [2024-11-23 23:31:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-23 23:31:59,177 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-23 23:31:59,178 INFO L175 Difference]: Start difference. First operand has 313 places, 314 transitions, 679 flow. Second operand 3 states and 1040 transitions. [2024-11-23 23:31:59,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 320 transitions, 777 flow [2024-11-23 23:31:59,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 320 transitions, 774 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:31:59,184 INFO L231 Difference]: Finished difference. Result has 309 places, 310 transitions, 684 flow [2024-11-23 23:31:59,184 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=309, PETRI_TRANSITIONS=310} [2024-11-23 23:31:59,185 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -37 predicate places. [2024-11-23 23:31:59,185 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 310 transitions, 684 flow [2024-11-23 23:31:59,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:59,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:59,186 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:59,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:31:59,186 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:59,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:59,187 INFO L85 PathProgramCache]: Analyzing trace with hash -904229867, now seen corresponding path program 1 times [2024-11-23 23:31:59,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:59,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046719098] [2024-11-23 23:31:59,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:59,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:59,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:59,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046719098] [2024-11-23 23:31:59,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046719098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:59,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:59,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:59,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885488808] [2024-11-23 23:31:59,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:59,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:59,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:59,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:59,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:59,264 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 373 [2024-11-23 23:31:59,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 310 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:59,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:59,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 373 [2024-11-23 23:31:59,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:31:59,723 INFO L124 PetriNetUnfolderBase]: 222/2002 cut-off events. [2024-11-23 23:31:59,723 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-23 23:31:59,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2627 conditions, 2002 events. 222/2002 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 15444 event pairs, 19 based on Foata normal form. 1/1819 useless extension candidates. Maximal degree in co-relation 1756. Up to 332 conditions per place. [2024-11-23 23:31:59,742 INFO L140 encePairwiseOnDemand]: 365/373 looper letters, 30 selfloop transitions, 3 changer transitions 18/317 dead transitions. [2024-11-23 23:31:59,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 317 transitions, 779 flow [2024-11-23 23:31:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:31:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:31:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1045 transitions. [2024-11-23 23:31:59,745 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9338695263628239 [2024-11-23 23:31:59,746 INFO L175 Difference]: Start difference. First operand has 309 places, 310 transitions, 684 flow. Second operand 3 states and 1045 transitions. [2024-11-23 23:31:59,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 317 transitions, 779 flow [2024-11-23 23:31:59,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 317 transitions, 775 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:31:59,752 INFO L231 Difference]: Finished difference. Result has 306 places, 288 transitions, 646 flow [2024-11-23 23:31:59,752 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=306, PETRI_TRANSITIONS=288} [2024-11-23 23:31:59,753 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -40 predicate places. [2024-11-23 23:31:59,754 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 288 transitions, 646 flow [2024-11-23 23:31:59,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:59,754 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:31:59,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:59,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:31:59,755 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:31:59,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:59,755 INFO L85 PathProgramCache]: Analyzing trace with hash 460828832, now seen corresponding path program 1 times [2024-11-23 23:31:59,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:59,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261624657] [2024-11-23 23:31:59,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:59,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:59,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:59,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261624657] [2024-11-23 23:31:59,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261624657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:59,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:59,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:59,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410184704] [2024-11-23 23:31:59,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:59,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:31:59,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:59,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:31:59,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:31:59,892 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 373 [2024-11-23 23:31:59,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 288 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:31:59,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:31:59,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 373 [2024-11-23 23:31:59,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:32:11,545 INFO L124 PetriNetUnfolderBase]: 18691/70752 cut-off events. [2024-11-23 23:32:11,546 INFO L125 PetriNetUnfolderBase]: For 1780/1780 co-relation queries the response was YES. [2024-11-23 23:32:12,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102346 conditions, 70752 events. 18691/70752 cut-off events. For 1780/1780 co-relation queries the response was YES. Maximal size of possible extension queue 2549. Compared 1064989 event pairs, 9985 based on Foata normal form. 0/60924 useless extension candidates. Maximal degree in co-relation 36296. Up to 23154 conditions per place. [2024-11-23 23:32:12,620 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 29 selfloop transitions, 6 changer transitions 0/293 dead transitions. [2024-11-23 23:32:12,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 293 transitions, 731 flow [2024-11-23 23:32:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:32:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2024-11-23 23:32:12,624 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9294012511170688 [2024-11-23 23:32:12,625 INFO L175 Difference]: Start difference. First operand has 306 places, 288 transitions, 646 flow. Second operand 3 states and 1040 transitions. [2024-11-23 23:32:12,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 293 transitions, 731 flow [2024-11-23 23:32:12,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 293 transitions, 728 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:32:12,802 INFO L231 Difference]: Finished difference. Result has 285 places, 288 transitions, 673 flow [2024-11-23 23:32:12,802 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=285, PETRI_TRANSITIONS=288} [2024-11-23 23:32:12,804 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -61 predicate places. [2024-11-23 23:32:12,804 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 288 transitions, 673 flow [2024-11-23 23:32:12,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:12,805 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:32:12,805 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:12,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:32:12,805 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:32:12,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:12,806 INFO L85 PathProgramCache]: Analyzing trace with hash -968687190, now seen corresponding path program 1 times [2024-11-23 23:32:12,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:12,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577409911] [2024-11-23 23:32:12,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:12,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:13,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:13,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577409911] [2024-11-23 23:32:13,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577409911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:13,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:13,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:32:13,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291013063] [2024-11-23 23:32:13,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:13,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:13,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:13,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:13,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:13,121 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-23 23:32:13,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 288 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:13,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:32:13,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-23 23:32:13,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:32:14,691 INFO L124 PetriNetUnfolderBase]: 2051/10608 cut-off events. [2024-11-23 23:32:14,691 INFO L125 PetriNetUnfolderBase]: For 73/109 co-relation queries the response was YES. [2024-11-23 23:32:14,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15083 conditions, 10608 events. 2051/10608 cut-off events. For 73/109 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 128492 event pairs, 546 based on Foata normal form. 0/9023 useless extension candidates. Maximal degree in co-relation 8297. Up to 2106 conditions per place. [2024-11-23 23:32:14,911 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-23 23:32:14,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 292 transitions, 740 flow [2024-11-23 23:32:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:32:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-23 23:32:14,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-23 23:32:14,915 INFO L175 Difference]: Start difference. First operand has 285 places, 288 transitions, 673 flow. Second operand 3 states and 1047 transitions. [2024-11-23 23:32:14,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 292 transitions, 740 flow [2024-11-23 23:32:14,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 292 transitions, 740 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:32:14,925 INFO L231 Difference]: Finished difference. Result has 286 places, 287 transitions, 675 flow [2024-11-23 23:32:14,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=286, PETRI_TRANSITIONS=287} [2024-11-23 23:32:14,926 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -60 predicate places. [2024-11-23 23:32:14,926 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 287 transitions, 675 flow [2024-11-23 23:32:14,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:14,927 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:32:14,927 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:14,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:32:14,928 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:32:14,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:14,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2047641568, now seen corresponding path program 1 times [2024-11-23 23:32:14,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:14,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996195729] [2024-11-23 23:32:14,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:14,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:14,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:14,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996195729] [2024-11-23 23:32:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996195729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:14,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:14,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:32:14,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726111034] [2024-11-23 23:32:14,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:14,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:14,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:14,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:15,038 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-23 23:32:15,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 287 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:15,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:32:15,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-23 23:32:15,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:32:18,044 INFO L124 PetriNetUnfolderBase]: 3759/16546 cut-off events. [2024-11-23 23:32:18,044 INFO L125 PetriNetUnfolderBase]: For 424/448 co-relation queries the response was YES. [2024-11-23 23:32:18,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25348 conditions, 16546 events. 3759/16546 cut-off events. For 424/448 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 212269 event pairs, 1349 based on Foata normal form. 0/14624 useless extension candidates. Maximal degree in co-relation 24559. Up to 2985 conditions per place. [2024-11-23 23:32:18,262 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 24 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-23 23:32:18,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 291 transitions, 740 flow [2024-11-23 23:32:18,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:32:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-23 23:32:18,265 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-23 23:32:18,265 INFO L175 Difference]: Start difference. First operand has 286 places, 287 transitions, 675 flow. Second operand 3 states and 1049 transitions. [2024-11-23 23:32:18,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 291 transitions, 740 flow [2024-11-23 23:32:18,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 291 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:32:18,275 INFO L231 Difference]: Finished difference. Result has 285 places, 286 transitions, 673 flow [2024-11-23 23:32:18,275 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=285, PETRI_TRANSITIONS=286} [2024-11-23 23:32:18,276 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -61 predicate places. [2024-11-23 23:32:18,276 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 286 transitions, 673 flow [2024-11-23 23:32:18,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:18,277 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:32:18,277 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:18,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:32:18,277 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:32:18,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:18,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1219526575, now seen corresponding path program 1 times [2024-11-23 23:32:18,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:18,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128521010] [2024-11-23 23:32:18,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:18,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:18,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:18,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128521010] [2024-11-23 23:32:18,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128521010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:18,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:18,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:32:18,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061552529] [2024-11-23 23:32:18,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:18,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:18,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:18,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:18,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:18,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-23 23:32:18,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 286 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:18,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:32:18,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-23 23:32:18,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:32:20,644 INFO L124 PetriNetUnfolderBase]: 3027/13553 cut-off events. [2024-11-23 23:32:20,644 INFO L125 PetriNetUnfolderBase]: For 597/615 co-relation queries the response was YES. [2024-11-23 23:32:20,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20580 conditions, 13553 events. 3027/13553 cut-off events. For 597/615 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 167078 event pairs, 962 based on Foata normal form. 0/11986 useless extension candidates. Maximal degree in co-relation 18976. Up to 2533 conditions per place. [2024-11-23 23:32:20,824 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 26 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-23 23:32:20,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 290 transitions, 742 flow [2024-11-23 23:32:20,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:32:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-23 23:32:20,827 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-23 23:32:20,828 INFO L175 Difference]: Start difference. First operand has 285 places, 286 transitions, 673 flow. Second operand 3 states and 1047 transitions. [2024-11-23 23:32:20,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 290 transitions, 742 flow [2024-11-23 23:32:20,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 290 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:32:20,842 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 671 flow [2024-11-23 23:32:20,843 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=671, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2024-11-23 23:32:20,843 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -62 predicate places. [2024-11-23 23:32:20,844 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 671 flow [2024-11-23 23:32:20,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:20,844 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:32:20,845 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:20,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:32:20,845 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:32:20,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:20,846 INFO L85 PathProgramCache]: Analyzing trace with hash 691052478, now seen corresponding path program 1 times [2024-11-23 23:32:20,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:20,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708147527] [2024-11-23 23:32:20,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:20,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:20,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:20,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708147527] [2024-11-23 23:32:20,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708147527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:20,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:20,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:32:20,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975561450] [2024-11-23 23:32:20,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:20,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:20,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:20,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:20,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:20,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-23 23:32:20,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 671 flow. Second operand has 3 states, 3 states have (on average 344.6666666666667) internal successors, (1034), 3 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:20,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:32:20,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-23 23:32:20,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:32:23,729 INFO L124 PetriNetUnfolderBase]: 2607/11521 cut-off events. [2024-11-23 23:32:23,729 INFO L125 PetriNetUnfolderBase]: For 623/654 co-relation queries the response was YES. [2024-11-23 23:32:23,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17581 conditions, 11521 events. 2607/11521 cut-off events. For 623/654 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 137936 event pairs, 847 based on Foata normal form. 3/10243 useless extension candidates. Maximal degree in co-relation 16425. Up to 2195 conditions per place. [2024-11-23 23:32:23,899 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 24 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-23 23:32:23,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 289 transitions, 736 flow [2024-11-23 23:32:23,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:32:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-23 23:32:23,901 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-23 23:32:23,902 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 671 flow. Second operand 3 states and 1049 transitions. [2024-11-23 23:32:23,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 289 transitions, 736 flow [2024-11-23 23:32:23,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 289 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:32:23,912 INFO L231 Difference]: Finished difference. Result has 283 places, 284 transitions, 669 flow [2024-11-23 23:32:23,913 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=283, PETRI_TRANSITIONS=284} [2024-11-23 23:32:23,913 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -63 predicate places. [2024-11-23 23:32:23,913 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 284 transitions, 669 flow [2024-11-23 23:32:23,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.6666666666667) internal successors, (1034), 3 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:23,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:32:23,914 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:23,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:32:23,914 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread5Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:32:23,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:23,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1247273744, now seen corresponding path program 1 times [2024-11-23 23:32:23,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:23,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492853704] [2024-11-23 23:32:23,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:23,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:23,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:23,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492853704] [2024-11-23 23:32:23,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492853704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:23,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:23,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:32:23,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493324610] [2024-11-23 23:32:23,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:23,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:23,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:23,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:23,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:24,027 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 373 [2024-11-23 23:32:24,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 284 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:24,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:32:24,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 373 [2024-11-23 23:32:24,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:32:25,962 INFO L124 PetriNetUnfolderBase]: 2003/9379 cut-off events. [2024-11-23 23:32:25,962 INFO L125 PetriNetUnfolderBase]: For 551/595 co-relation queries the response was YES. [2024-11-23 23:32:26,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13950 conditions, 9379 events. 2003/9379 cut-off events. For 551/595 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 107256 event pairs, 626 based on Foata normal form. 5/8300 useless extension candidates. Maximal degree in co-relation 12767. Up to 1876 conditions per place. [2024-11-23 23:32:26,147 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 26 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-23 23:32:26,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 288 transitions, 738 flow [2024-11-23 23:32:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:32:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2024-11-23 23:32:26,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.935656836461126 [2024-11-23 23:32:26,151 INFO L175 Difference]: Start difference. First operand has 283 places, 284 transitions, 669 flow. Second operand 3 states and 1047 transitions. [2024-11-23 23:32:26,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 288 transitions, 738 flow [2024-11-23 23:32:26,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 288 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:32:26,163 INFO L231 Difference]: Finished difference. Result has 282 places, 283 transitions, 667 flow [2024-11-23 23:32:26,163 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=667, PETRI_PLACES=282, PETRI_TRANSITIONS=283} [2024-11-23 23:32:26,164 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -64 predicate places. [2024-11-23 23:32:26,164 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 283 transitions, 667 flow [2024-11-23 23:32:26,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:26,165 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:32:26,165 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:26,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:32:26,165 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread6Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2024-11-23 23:32:26,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:32:26,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1734450922, now seen corresponding path program 1 times [2024-11-23 23:32:26,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:32:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040167432] [2024-11-23 23:32:26,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:32:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:32:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:32:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:32:26,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:32:26,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040167432] [2024-11-23 23:32:26,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040167432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:32:26,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:32:26,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:32:26,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848563315] [2024-11-23 23:32:26,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:32:26,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:32:26,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:32:26,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:32:26,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:32:26,268 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 373 [2024-11-23 23:32:26,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 283 transitions, 667 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:26,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:32:26,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 373 [2024-11-23 23:32:26,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:32:27,572 INFO L124 PetriNetUnfolderBase]: 1397/7322 cut-off events. [2024-11-23 23:32:27,572 INFO L125 PetriNetUnfolderBase]: For 292/320 co-relation queries the response was YES. [2024-11-23 23:32:27,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10336 conditions, 7322 events. 1397/7322 cut-off events. For 292/320 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 79752 event pairs, 375 based on Foata normal form. 4/6478 useless extension candidates. Maximal degree in co-relation 9562. Up to 1480 conditions per place. [2024-11-23 23:32:27,649 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-11-23 23:32:27,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 287 transitions, 732 flow [2024-11-23 23:32:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:32:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:32:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2024-11-23 23:32:27,651 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9374441465594281 [2024-11-23 23:32:27,651 INFO L175 Difference]: Start difference. First operand has 282 places, 283 transitions, 667 flow. Second operand 3 states and 1049 transitions. [2024-11-23 23:32:27,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 287 transitions, 732 flow [2024-11-23 23:32:27,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 287 transitions, 728 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:32:27,659 INFO L231 Difference]: Finished difference. Result has 281 places, 0 transitions, 0 flow [2024-11-23 23:32:27,659 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=281, PETRI_TRANSITIONS=0} [2024-11-23 23:32:27,660 INFO L279 CegarLoopForPetriNet]: 346 programPoint places, -65 predicate places. [2024-11-23 23:32:27,660 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 0 transitions, 0 flow [2024-11-23 23:32:27,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:32:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (87 of 88 remaining) [2024-11-23 23:32:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 88 remaining) [2024-11-23 23:32:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 88 remaining) [2024-11-23 23:32:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 88 remaining) [2024-11-23 23:32:27,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (82 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (81 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (80 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (79 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (78 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (77 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (76 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (75 of 88 remaining) [2024-11-23 23:32:27,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (74 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (73 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 88 remaining) [2024-11-23 23:32:27,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (60 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (59 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 88 remaining) [2024-11-23 23:32:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (53 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (52 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (51 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 88 remaining) [2024-11-23 23:32:27,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (44 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (43 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (42 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (41 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (40 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (39 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (38 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (37 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (36 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (35 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (34 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (33 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (32 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (31 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (30 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 88 remaining) [2024-11-23 23:32:27,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (19 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (18 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (17 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (16 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (15 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (12 of 88 remaining) [2024-11-23 23:32:27,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (11 of 88 remaining) [2024-11-23 23:32:27,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (10 of 88 remaining) [2024-11-23 23:32:27,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (9 of 88 remaining) [2024-11-23 23:32:27,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (8 of 88 remaining) [2024-11-23 23:32:27,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (7 of 88 remaining) [2024-11-23 23:32:27,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (6 of 88 remaining) [2024-11-23 23:32:27,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (5 of 88 remaining) [2024-11-23 23:32:27,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (4 of 88 remaining) [2024-11-23 23:32:27,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (3 of 88 remaining) [2024-11-23 23:32:27,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (2 of 88 remaining) [2024-11-23 23:32:27,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (1 of 88 remaining) [2024-11-23 23:32:27,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (0 of 88 remaining) [2024-11-23 23:32:27,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 23:32:27,673 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:32:27,679 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:32:27,679 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:32:27,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:27 BasicIcfg [2024-11-23 23:32:27,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:32:27,687 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:32:27,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:32:27,687 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:32:27,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:52" (3/4) ... [2024-11-23 23:32:27,690 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:32:27,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-23 23:32:27,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-23 23:32:27,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-23 23:32:27,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-23 23:32:27,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-23 23:32:27,695 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-11-23 23:32:27,702 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-23 23:32:27,703 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 23:32:27,703 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 23:32:27,704 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:32:27,807 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:32:27,808 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:32:27,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:32:27,809 INFO L158 Benchmark]: Toolchain (without parser) took 36500.32ms. Allocated memory was 117.4MB in the beginning and 10.8GB in the end (delta: 10.6GB). Free memory was 92.9MB in the beginning and 8.8GB in the end (delta: -8.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-23 23:32:27,810 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:32:27,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.25ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:32:27,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.73ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:32:27,812 INFO L158 Benchmark]: Boogie Preprocessor took 60.14ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:32:27,813 INFO L158 Benchmark]: RCFGBuilder took 1042.56ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 52.2MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:32:27,814 INFO L158 Benchmark]: TraceAbstraction took 34829.26ms. Allocated memory was 117.4MB in the beginning and 10.8GB in the end (delta: 10.6GB). Free memory was 51.7MB in the beginning and 8.8GB in the end (delta: -8.8GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-23 23:32:27,814 INFO L158 Benchmark]: Witness Printer took 121.22ms. Allocated memory is still 10.8GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:32:27,815 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.25ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.73ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.14ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1042.56ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 52.2MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 34829.26ms. Allocated memory was 117.4MB in the beginning and 10.8GB in the end (delta: 10.6GB). Free memory was 51.7MB in the beginning and 8.8GB in the end (delta: -8.8GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 121.22ms. Allocated memory is still 10.8GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 497 locations, 88 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 34.5s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1010 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1170 IncrementalHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 202 mSDtfsCounter, 1170 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=728occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1679 NumberOfCodeBlocks, 1679 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1659 ConstructedInterpolants, 0 QuantifiedInterpolants, 1699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:32:27,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a876ba6b-b51c-45e1-afca-cb07569b8a7e/bin/uautomizer-verify-LYvppIcaGC/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