./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:31:49,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:31:49,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:31:49,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:31:49,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:31:49,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:31:49,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:31:49,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:31:49,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:31:49,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:31:49,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:31:49,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:31:49,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:31:49,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:31:49,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:31:49,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:31:49,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:31:49,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:31:49,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:31:49,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:31:49,623 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:31:49,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:31:49,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:31:49,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:31:49,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:31:49,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:31:49,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:31:49,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:31:49,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:31:49,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:31:49,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:31:49,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:31:49,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:31:49,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:31:49,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:31:49,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:31:49,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:31:49,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:31:49,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:31:49,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:31:49,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:31:49,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:31:49,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:31:49,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:31:49,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:31:49,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:31:49,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:31:49,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:31:49,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:31:49,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:31:49,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:31:49,676 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:31:49,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:31:49,676 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:31:49,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:31:49,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:31:49,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:31:49,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:31:49,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:31:49,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:31:49,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:31:49,678 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:31:49,678 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:31:49,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:31:49,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:31:49,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:31:49,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:31:49,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:31:49,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:31:49,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:31:49,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:31:49,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:31:49,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:31:49,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:31:49,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:31:49,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:31:49,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:31:49,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:31:49,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 [2022-04-18 16:31:49,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:31:49,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:31:49,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:31:49,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:31:49,924 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:31:49,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-04-18 16:31:49,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f06378c6/3993b39024a446318b2fb5ef26374eb9/FLAG466050eac [2022-04-18 16:31:50,426 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:31:50,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-04-18 16:31:50,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f06378c6/3993b39024a446318b2fb5ef26374eb9/FLAG466050eac [2022-04-18 16:31:50,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f06378c6/3993b39024a446318b2fb5ef26374eb9 [2022-04-18 16:31:50,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:31:50,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:31:50,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:31:50,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:31:50,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:31:50,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:31:50" (1/1) ... [2022-04-18 16:31:50,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570d0c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:50, skipping insertion in model container [2022-04-18 16:31:50,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:31:50" (1/1) ... [2022-04-18 16:31:50,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:31:50,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:31:51,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-04-18 16:31:51,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:31:51,053 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:31:51,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-04-18 16:31:51,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:31:51,103 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:31:51,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51 WrapperNode [2022-04-18 16:31:51,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:31:51,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:31:51,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:31:51,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:31:51,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,147 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-04-18 16:31:51,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:31:51,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:31:51,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:31:51,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:31:51,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:31:51,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:31:51,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:31:51,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:31:51,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (1/1) ... [2022-04-18 16:31:51,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:31:51,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:31:51,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:31:51,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:31:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:31:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:31:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:31:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:31:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:31:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:31:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:31:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-04-18 16:31:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-04-18 16:31:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:31:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:31:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:31:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:31:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:31:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:31:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:31:51,273 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:31:51,355 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:31:51,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:31:51,852 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:31:51,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:31:51,863 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-04-18 16:31:51,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:31:51 BoogieIcfgContainer [2022-04-18 16:31:51,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:31:51,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:31:51,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:31:51,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:31:51,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:31:50" (1/3) ... [2022-04-18 16:31:51,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65584d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:31:51, skipping insertion in model container [2022-04-18 16:31:51,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:31:51" (2/3) ... [2022-04-18 16:31:51,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65584d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:31:51, skipping insertion in model container [2022-04-18 16:31:51,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:31:51" (3/3) ... [2022-04-18 16:31:51,873 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2022-04-18 16:31:51,877 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:31:51,877 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:31:51,878 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2022-04-18 16:31:51,878 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:31:52,063 INFO L135 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-04-18 16:31:52,122 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:31:52,130 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2022-04-18 16:31:52,131 INFO L341 AbstractCegarLoop]: Starting to check reachability of 207 error locations. [2022-04-18 16:31:52,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 578 places, 579 transitions, 1190 flow [2022-04-18 16:31:52,371 INFO L129 PetriNetUnfolder]: 14/575 cut-off events. [2022-04-18 16:31:52,371 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-04-18 16:31:52,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 575 events. 14/575 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1956 event pairs, 0 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 419. Up to 2 conditions per place. [2022-04-18 16:31:52,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 578 places, 579 transitions, 1190 flow [2022-04-18 16:31:52,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 551 places, 550 transitions, 1124 flow [2022-04-18 16:31:52,426 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2022-04-18 16:31:52,427 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:31:52,427 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:31:52,428 INFO L255 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] [2022-04-18 16:31:52,428 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:31:52,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:31:52,435 INFO L85 PathProgramCache]: Analyzing trace with hash 642133218, now seen corresponding path program 1 times [2022-04-18 16:31:52,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:31:52,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575984518] [2022-04-18 16:31:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:31:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:31:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:31:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:31:52,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:31:52,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575984518] [2022-04-18 16:31:52,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575984518] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:31:52,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:31:52,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:31:52,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857477953] [2022-04-18 16:31:52,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:31:52,673 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:31:52,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:31:52,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:31:52,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:31:52,708 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 579 [2022-04-18 16:31:52,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 550 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 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) [2022-04-18 16:31:52,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:31:52,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 579 [2022-04-18 16:31:52,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:31:53,345 INFO L129 PetriNetUnfolder]: 208/1024 cut-off events. [2022-04-18 16:31:53,345 INFO L130 PetriNetUnfolder]: For 214/221 co-relation queries the response was YES. [2022-04-18 16:31:53,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1922 conditions, 1024 events. 208/1024 cut-off events. For 214/221 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6546 event pairs, 198 based on Foata normal form. 409/1235 useless extension candidates. Maximal degree in co-relation 1750. Up to 483 conditions per place. [2022-04-18 16:31:53,434 INFO L132 encePairwiseOnDemand]: 571/579 looper letters, 86 selfloop transitions, 2 changer transitions 1/544 dead transitions. [2022-04-18 16:31:53,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 544 transitions, 1288 flow [2022-04-18 16:31:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:31:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:31:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1543 transitions. [2022-04-18 16:31:53,455 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8883131836499712 [2022-04-18 16:31:53,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1543 transitions. [2022-04-18 16:31:53,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1543 transitions. [2022-04-18 16:31:53,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:31:53,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1543 transitions. [2022-04-18 16:31:53,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 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) [2022-04-18 16:31:53,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:53,487 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:53,489 INFO L186 Difference]: Start difference. First operand has 551 places, 550 transitions, 1124 flow. Second operand 3 states and 1543 transitions. [2022-04-18 16:31:53,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 544 transitions, 1288 flow [2022-04-18 16:31:53,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 544 transitions, 1272 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-04-18 16:31:53,517 INFO L242 Difference]: Finished difference. Result has 544 places, 543 transitions, 1098 flow [2022-04-18 16:31:53,520 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=544, PETRI_TRANSITIONS=543} [2022-04-18 16:31:53,524 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -7 predicate places. [2022-04-18 16:31:53,525 INFO L478 AbstractCegarLoop]: Abstraction has has 544 places, 543 transitions, 1098 flow [2022-04-18 16:31:53,527 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 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) [2022-04-18 16:31:53,527 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:31:53,528 INFO L255 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] [2022-04-18 16:31:53,528 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:31:53,528 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:31:53,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:31:53,529 INFO L85 PathProgramCache]: Analyzing trace with hash -178721102, now seen corresponding path program 1 times [2022-04-18 16:31:53,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:31:53,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151652698] [2022-04-18 16:31:53,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:31:53,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:31:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:31:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:31:53,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:31:53,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151652698] [2022-04-18 16:31:53,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151652698] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:31:53,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:31:53,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:31:53,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477572242] [2022-04-18 16:31:53,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:31:53,616 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:31:53,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:31:53,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:31:53,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:31:53,624 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-04-18 16:31:53,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 543 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:31:53,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:31:53,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-04-18 16:31:53,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:31:54,191 INFO L129 PetriNetUnfolder]: 208/1022 cut-off events. [2022-04-18 16:31:54,191 INFO L130 PetriNetUnfolder]: For 70/76 co-relation queries the response was YES. [2022-04-18 16:31:54,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1644 conditions, 1022 events. 208/1022 cut-off events. For 70/76 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7198 event pairs, 198 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 1611. Up to 480 conditions per place. [2022-04-18 16:31:54,279 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 83 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2022-04-18 16:31:54,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 542 transitions, 1266 flow [2022-04-18 16:31:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:31:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:31:54,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1544 transitions. [2022-04-18 16:31:54,284 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2022-04-18 16:31:54,284 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1544 transitions. [2022-04-18 16:31:54,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1544 transitions. [2022-04-18 16:31:54,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:31:54,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1544 transitions. [2022-04-18 16:31:54,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 514.6666666666666) internal successors, (1544), 3 states have internal predecessors, (1544), 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) [2022-04-18 16:31:54,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:54,294 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:54,294 INFO L186 Difference]: Start difference. First operand has 544 places, 543 transitions, 1098 flow. Second operand 3 states and 1544 transitions. [2022-04-18 16:31:54,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 542 transitions, 1266 flow [2022-04-18 16:31:54,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 542 transitions, 1262 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:31:54,307 INFO L242 Difference]: Finished difference. Result has 542 places, 542 transitions, 1096 flow [2022-04-18 16:31:54,308 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1096, PETRI_PLACES=542, PETRI_TRANSITIONS=542} [2022-04-18 16:31:54,310 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -9 predicate places. [2022-04-18 16:31:54,310 INFO L478 AbstractCegarLoop]: Abstraction has has 542 places, 542 transitions, 1096 flow [2022-04-18 16:31:54,311 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:31:54,311 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:31:54,312 INFO L255 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] [2022-04-18 16:31:54,312 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:31:54,312 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:31:54,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:31:54,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1906417989, now seen corresponding path program 1 times [2022-04-18 16:31:54,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:31:54,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352712834] [2022-04-18 16:31:54,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:31:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:31:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:31:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:31:54,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:31:54,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352712834] [2022-04-18 16:31:54,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352712834] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:31:54,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:31:54,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:31:54,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000458687] [2022-04-18 16:31:54,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:31:54,382 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:31:54,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:31:54,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:31:54,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:31:54,386 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 579 [2022-04-18 16:31:54,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 542 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 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) [2022-04-18 16:31:54,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:31:54,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 579 [2022-04-18 16:31:54,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:31:54,961 INFO L129 PetriNetUnfolder]: 208/1021 cut-off events. [2022-04-18 16:31:54,961 INFO L130 PetriNetUnfolder]: For 136/142 co-relation queries the response was YES. [2022-04-18 16:31:54,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1580 conditions, 1021 events. 208/1021 cut-off events. For 136/142 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7368 event pairs, 198 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1541. Up to 483 conditions per place. [2022-04-18 16:31:55,012 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 86 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2022-04-18 16:31:55,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 541 transitions, 1270 flow [2022-04-18 16:31:55,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:31:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:31:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1538 transitions. [2022-04-18 16:31:55,018 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8854346574553829 [2022-04-18 16:31:55,018 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1538 transitions. [2022-04-18 16:31:55,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1538 transitions. [2022-04-18 16:31:55,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:31:55,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1538 transitions. [2022-04-18 16:31:55,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 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) [2022-04-18 16:31:55,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:55,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:55,027 INFO L186 Difference]: Start difference. First operand has 542 places, 542 transitions, 1096 flow. Second operand 3 states and 1538 transitions. [2022-04-18 16:31:55,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 541 transitions, 1270 flow [2022-04-18 16:31:55,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 541 transitions, 1266 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:31:55,037 INFO L242 Difference]: Finished difference. Result has 541 places, 541 transitions, 1094 flow [2022-04-18 16:31:55,038 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=541, PETRI_TRANSITIONS=541} [2022-04-18 16:31:55,040 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -10 predicate places. [2022-04-18 16:31:55,040 INFO L478 AbstractCegarLoop]: Abstraction has has 541 places, 541 transitions, 1094 flow [2022-04-18 16:31:55,041 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 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) [2022-04-18 16:31:55,042 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:31:55,042 INFO L255 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] [2022-04-18 16:31:55,042 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:31:55,042 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:31:55,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:31:55,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1905793287, now seen corresponding path program 1 times [2022-04-18 16:31:55,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:31:55,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704974818] [2022-04-18 16:31:55,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:31:55,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:31:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:31:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:31:55,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:31:55,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704974818] [2022-04-18 16:31:55,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704974818] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:31:55,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:31:55,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:31:55,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493173423] [2022-04-18 16:31:55,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:31:55,100 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:31:55,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:31:55,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:31:55,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:31:55,107 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-04-18 16:31:55,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 541 transitions, 1094 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:31:55,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:31:55,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-04-18 16:31:55,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:31:55,513 INFO L129 PetriNetUnfolder]: 208/1020 cut-off events. [2022-04-18 16:31:55,513 INFO L130 PetriNetUnfolder]: For 202/208 co-relation queries the response was YES. [2022-04-18 16:31:55,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1020 events. 208/1020 cut-off events. For 202/208 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7486 event pairs, 198 based on Foata normal form. 0/816 useless extension candidates. Maximal degree in co-relation 1464. Up to 479 conditions per place. [2022-04-18 16:31:55,554 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 82 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2022-04-18 16:31:55,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 540 transitions, 1260 flow [2022-04-18 16:31:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:31:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:31:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1543 transitions. [2022-04-18 16:31:55,559 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8883131836499712 [2022-04-18 16:31:55,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1543 transitions. [2022-04-18 16:31:55,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1543 transitions. [2022-04-18 16:31:55,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:31:55,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1543 transitions. [2022-04-18 16:31:55,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 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) [2022-04-18 16:31:55,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:55,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:55,572 INFO L186 Difference]: Start difference. First operand has 541 places, 541 transitions, 1094 flow. Second operand 3 states and 1543 transitions. [2022-04-18 16:31:55,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 540 transitions, 1260 flow [2022-04-18 16:31:55,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 540 transitions, 1256 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:31:55,584 INFO L242 Difference]: Finished difference. Result has 540 places, 540 transitions, 1092 flow [2022-04-18 16:31:55,585 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1092, PETRI_PLACES=540, PETRI_TRANSITIONS=540} [2022-04-18 16:31:55,586 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -11 predicate places. [2022-04-18 16:31:55,587 INFO L478 AbstractCegarLoop]: Abstraction has has 540 places, 540 transitions, 1092 flow [2022-04-18 16:31:55,588 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:31:55,588 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:31:55,588 INFO L255 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] [2022-04-18 16:31:55,588 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:31:55,588 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:31:55,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:31:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1236202634, now seen corresponding path program 1 times [2022-04-18 16:31:55,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:31:55,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965783412] [2022-04-18 16:31:55,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:31:55,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:31:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:31:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:31:55,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:31:55,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965783412] [2022-04-18 16:31:55,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965783412] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:31:55,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:31:55,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:31:55,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860463809] [2022-04-18 16:31:55,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:31:55,639 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:31:55,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:31:55,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:31:55,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:31:55,642 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 579 [2022-04-18 16:31:55,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 540 transitions, 1092 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 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) [2022-04-18 16:31:55,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:31:55,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 579 [2022-04-18 16:31:55,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:31:58,672 INFO L129 PetriNetUnfolder]: 1030/16607 cut-off events. [2022-04-18 16:31:58,673 INFO L130 PetriNetUnfolder]: For 85/193 co-relation queries the response was YES. [2022-04-18 16:31:59,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17982 conditions, 16607 events. 1030/16607 cut-off events. For 85/193 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 223734 event pairs, 855 based on Foata normal form. 0/12398 useless extension candidates. Maximal degree in co-relation 17931. Up to 1284 conditions per place. [2022-04-18 16:31:59,206 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 23 selfloop transitions, 2 changer transitions 0/539 dead transitions. [2022-04-18 16:31:59,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 539 transitions, 1140 flow [2022-04-18 16:31:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:31:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:31:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2022-04-18 16:31:59,211 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9579735175590098 [2022-04-18 16:31:59,211 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1664 transitions. [2022-04-18 16:31:59,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1664 transitions. [2022-04-18 16:31:59,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:31:59,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1664 transitions. [2022-04-18 16:31:59,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 554.6666666666666) internal successors, (1664), 3 states have internal predecessors, (1664), 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) [2022-04-18 16:31:59,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:59,221 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:59,221 INFO L186 Difference]: Start difference. First operand has 540 places, 540 transitions, 1092 flow. Second operand 3 states and 1664 transitions. [2022-04-18 16:31:59,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 539 transitions, 1140 flow [2022-04-18 16:31:59,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 539 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:31:59,231 INFO L242 Difference]: Finished difference. Result has 539 places, 539 transitions, 1090 flow [2022-04-18 16:31:59,232 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=539, PETRI_TRANSITIONS=539} [2022-04-18 16:31:59,235 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -12 predicate places. [2022-04-18 16:31:59,235 INFO L478 AbstractCegarLoop]: Abstraction has has 539 places, 539 transitions, 1090 flow [2022-04-18 16:31:59,236 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 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) [2022-04-18 16:31:59,236 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:31:59,237 INFO L255 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] [2022-04-18 16:31:59,237 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:31:59,237 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:31:59,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:31:59,238 INFO L85 PathProgramCache]: Analyzing trace with hash -921526617, now seen corresponding path program 1 times [2022-04-18 16:31:59,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:31:59,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568280568] [2022-04-18 16:31:59,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:31:59,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:31:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:31:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:31:59,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:31:59,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568280568] [2022-04-18 16:31:59,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568280568] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:31:59,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:31:59,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:31:59,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481513674] [2022-04-18 16:31:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:31:59,307 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:31:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:31:59,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:31:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:31:59,311 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-04-18 16:31:59,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 539 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:31:59,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:31:59,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-04-18 16:31:59,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:31:59,655 INFO L129 PetriNetUnfolder]: 163/915 cut-off events. [2022-04-18 16:31:59,656 INFO L130 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-04-18 16:31:59,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1454 conditions, 915 events. 163/915 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5643 event pairs, 90 based on Foata normal form. 0/788 useless extension candidates. Maximal degree in co-relation 1396. Up to 228 conditions per place. [2022-04-18 16:31:59,696 INFO L132 encePairwiseOnDemand]: 546/579 looper letters, 56 selfloop transitions, 15 changer transitions 0/525 dead transitions. [2022-04-18 16:31:59,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 525 transitions, 1207 flow [2022-04-18 16:31:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:31:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:31:59,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2022-04-18 16:31:59,700 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8906160046056419 [2022-04-18 16:31:59,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1547 transitions. [2022-04-18 16:31:59,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1547 transitions. [2022-04-18 16:31:59,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:31:59,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1547 transitions. [2022-04-18 16:31:59,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 515.6666666666666) internal successors, (1547), 3 states have internal predecessors, (1547), 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) [2022-04-18 16:31:59,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:59,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:31:59,710 INFO L186 Difference]: Start difference. First operand has 539 places, 539 transitions, 1090 flow. Second operand 3 states and 1547 transitions. [2022-04-18 16:31:59,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 525 transitions, 1207 flow [2022-04-18 16:31:59,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 525 transitions, 1203 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:31:59,721 INFO L242 Difference]: Finished difference. Result has 522 places, 522 transitions, 1099 flow [2022-04-18 16:31:59,721 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1099, PETRI_PLACES=522, PETRI_TRANSITIONS=522} [2022-04-18 16:31:59,724 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -29 predicate places. [2022-04-18 16:31:59,724 INFO L478 AbstractCegarLoop]: Abstraction has has 522 places, 522 transitions, 1099 flow [2022-04-18 16:31:59,725 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:31:59,725 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:31:59,726 INFO L255 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] [2022-04-18 16:31:59,726 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:31:59,726 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:31:59,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:31:59,727 INFO L85 PathProgramCache]: Analyzing trace with hash -823776531, now seen corresponding path program 1 times [2022-04-18 16:31:59,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:31:59,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335690182] [2022-04-18 16:31:59,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:31:59,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:31:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:31:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:31:59,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:31:59,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335690182] [2022-04-18 16:31:59,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335690182] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:31:59,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:31:59,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:31:59,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084758234] [2022-04-18 16:31:59,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:31:59,788 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:31:59,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:31:59,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:31:59,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:31:59,791 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 579 [2022-04-18 16:31:59,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 522 transitions, 1099 flow. Second operand has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 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) [2022-04-18 16:31:59,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:31:59,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 579 [2022-04-18 16:31:59,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:00,148 INFO L129 PetriNetUnfolder]: 163/899 cut-off events. [2022-04-18 16:32:00,149 INFO L130 PetriNetUnfolder]: For 62/66 co-relation queries the response was YES. [2022-04-18 16:32:00,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 899 events. 163/899 cut-off events. For 62/66 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5702 event pairs, 90 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1262. Up to 226 conditions per place. [2022-04-18 16:32:00,194 INFO L132 encePairwiseOnDemand]: 547/579 looper letters, 54 selfloop transitions, 15 changer transitions 0/509 dead transitions. [2022-04-18 16:32:00,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 509 transitions, 1214 flow [2022-04-18 16:32:00,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1553 transitions. [2022-04-18 16:32:00,202 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8940702360391479 [2022-04-18 16:32:00,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1553 transitions. [2022-04-18 16:32:00,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1553 transitions. [2022-04-18 16:32:00,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:00,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1553 transitions. [2022-04-18 16:32:00,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 517.6666666666666) internal successors, (1553), 3 states have internal predecessors, (1553), 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) [2022-04-18 16:32:00,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:00,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:00,213 INFO L186 Difference]: Start difference. First operand has 522 places, 522 transitions, 1099 flow. Second operand 3 states and 1553 transitions. [2022-04-18 16:32:00,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 509 transitions, 1214 flow [2022-04-18 16:32:00,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 509 transitions, 1199 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:00,224 INFO L242 Difference]: Finished difference. Result has 507 places, 506 transitions, 1099 flow [2022-04-18 16:32:00,225 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1099, PETRI_PLACES=507, PETRI_TRANSITIONS=506} [2022-04-18 16:32:00,225 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -44 predicate places. [2022-04-18 16:32:00,225 INFO L478 AbstractCegarLoop]: Abstraction has has 507 places, 506 transitions, 1099 flow [2022-04-18 16:32:00,226 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 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) [2022-04-18 16:32:00,226 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:00,227 INFO L255 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] [2022-04-18 16:32:00,227 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:32:00,227 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:00,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:00,228 INFO L85 PathProgramCache]: Analyzing trace with hash 166114238, now seen corresponding path program 1 times [2022-04-18 16:32:00,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:00,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56535341] [2022-04-18 16:32:00,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:00,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:00,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56535341] [2022-04-18 16:32:00,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56535341] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:00,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:00,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:00,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340984125] [2022-04-18 16:32:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:00,315 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:00,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:00,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:00,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:00,318 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-04-18 16:32:00,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 506 transitions, 1099 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:32:00,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:00,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-04-18 16:32:00,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:00,742 INFO L129 PetriNetUnfolder]: 170/1198 cut-off events. [2022-04-18 16:32:00,742 INFO L130 PetriNetUnfolder]: For 122/126 co-relation queries the response was YES. [2022-04-18 16:32:00,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1722 conditions, 1198 events. 170/1198 cut-off events. For 122/126 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 8664 event pairs, 63 based on Foata normal form. 1/1059 useless extension candidates. Maximal degree in co-relation 1487. Up to 229 conditions per place. [2022-04-18 16:32:00,793 INFO L132 encePairwiseOnDemand]: 545/579 looper letters, 59 selfloop transitions, 16 changer transitions 0/496 dead transitions. [2022-04-18 16:32:00,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 496 transitions, 1235 flow [2022-04-18 16:32:00,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1551 transitions. [2022-04-18 16:32:00,798 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8929188255613126 [2022-04-18 16:32:00,798 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1551 transitions. [2022-04-18 16:32:00,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1551 transitions. [2022-04-18 16:32:00,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:00,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1551 transitions. [2022-04-18 16:32:00,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 517.0) internal successors, (1551), 3 states have internal predecessors, (1551), 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) [2022-04-18 16:32:00,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:00,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:00,806 INFO L186 Difference]: Start difference. First operand has 507 places, 506 transitions, 1099 flow. Second operand 3 states and 1551 transitions. [2022-04-18 16:32:00,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 496 transitions, 1235 flow [2022-04-18 16:32:00,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 496 transitions, 1220 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:00,816 INFO L242 Difference]: Finished difference. Result has 491 places, 490 transitions, 1104 flow [2022-04-18 16:32:00,817 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=491, PETRI_TRANSITIONS=490} [2022-04-18 16:32:00,817 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -60 predicate places. [2022-04-18 16:32:00,817 INFO L478 AbstractCegarLoop]: Abstraction has has 491 places, 490 transitions, 1104 flow [2022-04-18 16:32:00,818 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 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) [2022-04-18 16:32:00,818 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:00,818 INFO L255 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] [2022-04-18 16:32:00,818 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:32:00,818 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:00,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash 722031064, now seen corresponding path program 1 times [2022-04-18 16:32:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:00,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49240292] [2022-04-18 16:32:00,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:00,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:00,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:00,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49240292] [2022-04-18 16:32:00,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49240292] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:00,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:00,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-18 16:32:00,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060477312] [2022-04-18 16:32:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:00,868 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-18 16:32:00,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:00,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-18 16:32:00,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-18 16:32:00,872 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 579 [2022-04-18 16:32:00,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 490 transitions, 1104 flow. Second operand has 4 states, 4 states have (on average 553.25) internal successors, (2213), 4 states have internal predecessors, (2213), 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) [2022-04-18 16:32:00,873 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:00,873 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 579 [2022-04-18 16:32:00,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:01,064 INFO L129 PetriNetUnfolder]: 12/837 cut-off events. [2022-04-18 16:32:01,064 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-04-18 16:32:01,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 837 events. 12/837 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3958 event pairs, 0 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 682. Up to 27 conditions per place. [2022-04-18 16:32:01,088 INFO L132 encePairwiseOnDemand]: 573/579 looper letters, 22 selfloop transitions, 5 changer transitions 0/497 dead transitions. [2022-04-18 16:32:01,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 497 transitions, 1172 flow [2022-04-18 16:32:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 16:32:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-04-18 16:32:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2788 transitions. [2022-04-18 16:32:01,095 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9630397236614853 [2022-04-18 16:32:01,095 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2788 transitions. [2022-04-18 16:32:01,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2788 transitions. [2022-04-18 16:32:01,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:01,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2788 transitions. [2022-04-18 16:32:01,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 557.6) internal successors, (2788), 5 states have internal predecessors, (2788), 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) [2022-04-18 16:32:01,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 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) [2022-04-18 16:32:01,110 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 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) [2022-04-18 16:32:01,110 INFO L186 Difference]: Start difference. First operand has 491 places, 490 transitions, 1104 flow. Second operand 5 states and 2788 transitions. [2022-04-18 16:32:01,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 497 transitions, 1172 flow [2022-04-18 16:32:01,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 497 transitions, 1156 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:01,122 INFO L242 Difference]: Finished difference. Result has 498 places, 494 transitions, 1126 flow [2022-04-18 16:32:01,123 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1126, PETRI_PLACES=498, PETRI_TRANSITIONS=494} [2022-04-18 16:32:01,124 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -53 predicate places. [2022-04-18 16:32:01,124 INFO L478 AbstractCegarLoop]: Abstraction has has 498 places, 494 transitions, 1126 flow [2022-04-18 16:32:01,125 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 553.25) internal successors, (2213), 4 states have internal predecessors, (2213), 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) [2022-04-18 16:32:01,125 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:01,125 INFO L255 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] [2022-04-18 16:32:01,125 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:32:01,125 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:01,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:01,126 INFO L85 PathProgramCache]: Analyzing trace with hash 684487429, now seen corresponding path program 1 times [2022-04-18 16:32:01,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:01,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599241624] [2022-04-18 16:32:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:01,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:01,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:01,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599241624] [2022-04-18 16:32:01,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599241624] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:01,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:01,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:01,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094994236] [2022-04-18 16:32:01,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:01,164 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:01,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:01,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:01,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:01,167 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 579 [2022-04-18 16:32:01,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 494 transitions, 1126 flow. Second operand has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 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) [2022-04-18 16:32:01,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:01,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 579 [2022-04-18 16:32:01,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:01,693 INFO L129 PetriNetUnfolder]: 278/1758 cut-off events. [2022-04-18 16:32:01,693 INFO L130 PetriNetUnfolder]: For 268/272 co-relation queries the response was YES. [2022-04-18 16:32:01,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2568 conditions, 1758 events. 278/1758 cut-off events. For 268/272 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 14706 event pairs, 105 based on Foata normal form. 2/1596 useless extension candidates. Maximal degree in co-relation 2071. Up to 375 conditions per place. [2022-04-18 16:32:01,731 INFO L132 encePairwiseOnDemand]: 547/579 looper letters, 55 selfloop transitions, 15 changer transitions 11/485 dead transitions. [2022-04-18 16:32:01,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 485 transitions, 1259 flow [2022-04-18 16:32:01,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1556 transitions. [2022-04-18 16:32:01,736 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.895797351755901 [2022-04-18 16:32:01,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1556 transitions. [2022-04-18 16:32:01,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1556 transitions. [2022-04-18 16:32:01,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:01,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1556 transitions. [2022-04-18 16:32:01,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 518.6666666666666) internal successors, (1556), 3 states have internal predecessors, (1556), 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) [2022-04-18 16:32:01,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:01,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:01,743 INFO L186 Difference]: Start difference. First operand has 498 places, 494 transitions, 1126 flow. Second operand 3 states and 1556 transitions. [2022-04-18 16:32:01,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 485 transitions, 1259 flow [2022-04-18 16:32:01,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 485 transitions, 1259 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:01,752 INFO L242 Difference]: Finished difference. Result has 484 places, 467 transitions, 1118 flow [2022-04-18 16:32:01,752 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=484, PETRI_TRANSITIONS=467} [2022-04-18 16:32:01,753 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -67 predicate places. [2022-04-18 16:32:01,753 INFO L478 AbstractCegarLoop]: Abstraction has has 484 places, 467 transitions, 1118 flow [2022-04-18 16:32:01,754 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 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) [2022-04-18 16:32:01,754 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:01,754 INFO L255 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] [2022-04-18 16:32:01,754 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:32:01,754 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:01,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash -968945318, now seen corresponding path program 1 times [2022-04-18 16:32:01,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:01,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393894465] [2022-04-18 16:32:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:01,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:01,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393894465] [2022-04-18 16:32:01,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393894465] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:01,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:01,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:01,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377962765] [2022-04-18 16:32:01,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:01,783 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:01,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:01,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:01,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:01,785 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 579 [2022-04-18 16:32:01,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 467 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 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) [2022-04-18 16:32:01,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:01,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 579 [2022-04-18 16:32:01,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:04,283 INFO L129 PetriNetUnfolder]: 733/14256 cut-off events. [2022-04-18 16:32:04,283 INFO L130 PetriNetUnfolder]: For 439/534 co-relation queries the response was YES. [2022-04-18 16:32:04,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18010 conditions, 14256 events. 733/14256 cut-off events. For 439/534 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 186070 event pairs, 276 based on Foata normal form. 3/12708 useless extension candidates. Maximal degree in co-relation 13568. Up to 929 conditions per place. [2022-04-18 16:32:04,447 INFO L132 encePairwiseOnDemand]: 571/579 looper letters, 20 selfloop transitions, 4 changer transitions 0/470 dead transitions. [2022-04-18 16:32:04,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 470 transitions, 1175 flow [2022-04-18 16:32:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1675 transitions. [2022-04-18 16:32:04,451 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9643062751871042 [2022-04-18 16:32:04,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1675 transitions. [2022-04-18 16:32:04,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1675 transitions. [2022-04-18 16:32:04,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:04,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1675 transitions. [2022-04-18 16:32:04,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 558.3333333333334) internal successors, (1675), 3 states have internal predecessors, (1675), 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) [2022-04-18 16:32:04,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:04,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:04,461 INFO L186 Difference]: Start difference. First operand has 484 places, 467 transitions, 1118 flow. Second operand 3 states and 1675 transitions. [2022-04-18 16:32:04,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 470 transitions, 1175 flow [2022-04-18 16:32:04,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 470 transitions, 1160 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:04,480 INFO L242 Difference]: Finished difference. Result has 471 places, 467 transitions, 1123 flow [2022-04-18 16:32:04,481 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1123, PETRI_PLACES=471, PETRI_TRANSITIONS=467} [2022-04-18 16:32:04,483 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -80 predicate places. [2022-04-18 16:32:04,483 INFO L478 AbstractCegarLoop]: Abstraction has has 471 places, 467 transitions, 1123 flow [2022-04-18 16:32:04,484 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 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) [2022-04-18 16:32:04,484 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:04,484 INFO L255 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] [2022-04-18 16:32:04,485 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:32:04,485 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:04,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:04,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1393198253, now seen corresponding path program 1 times [2022-04-18 16:32:04,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:04,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823363244] [2022-04-18 16:32:04,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:04,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:04,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823363244] [2022-04-18 16:32:04,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823363244] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:04,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:04,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:04,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062255067] [2022-04-18 16:32:04,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:04,529 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:04,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:04,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:04,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:04,532 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:04,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 467 transitions, 1123 flow. Second operand has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 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) [2022-04-18 16:32:04,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:04,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:04,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:05,501 INFO L129 PetriNetUnfolder]: 615/4641 cut-off events. [2022-04-18 16:32:05,501 INFO L130 PetriNetUnfolder]: For 166/181 co-relation queries the response was YES. [2022-04-18 16:32:05,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7198 conditions, 4641 events. 615/4641 cut-off events. For 166/181 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 47229 event pairs, 478 based on Foata normal form. 0/4194 useless extension candidates. Maximal degree in co-relation 4895. Up to 1119 conditions per place. [2022-04-18 16:32:05,622 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 67 selfloop transitions, 2 changer transitions 0/469 dead transitions. [2022-04-18 16:32:05,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 469 transitions, 1268 flow [2022-04-18 16:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2022-04-18 16:32:05,626 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8756476683937824 [2022-04-18 16:32:05,627 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1521 transitions. [2022-04-18 16:32:05,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1521 transitions. [2022-04-18 16:32:05,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:05,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1521 transitions. [2022-04-18 16:32:05,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 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) [2022-04-18 16:32:05,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:05,634 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:05,635 INFO L186 Difference]: Start difference. First operand has 471 places, 467 transitions, 1123 flow. Second operand 3 states and 1521 transitions. [2022-04-18 16:32:05,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 469 transitions, 1268 flow [2022-04-18 16:32:05,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 469 transitions, 1268 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:05,646 INFO L242 Difference]: Finished difference. Result has 472 places, 466 transitions, 1125 flow [2022-04-18 16:32:05,647 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1125, PETRI_PLACES=472, PETRI_TRANSITIONS=466} [2022-04-18 16:32:05,648 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -79 predicate places. [2022-04-18 16:32:05,648 INFO L478 AbstractCegarLoop]: Abstraction has has 472 places, 466 transitions, 1125 flow [2022-04-18 16:32:05,649 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 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) [2022-04-18 16:32:05,649 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:05,649 INFO L255 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] [2022-04-18 16:32:05,649 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:32:05,649 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:05,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:05,650 INFO L85 PathProgramCache]: Analyzing trace with hash -436056440, now seen corresponding path program 1 times [2022-04-18 16:32:05,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:05,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239586566] [2022-04-18 16:32:05,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:05,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:05,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:05,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239586566] [2022-04-18 16:32:05,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239586566] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:05,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:05,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:05,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222637948] [2022-04-18 16:32:05,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:05,779 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:05,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:05,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:05,782 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:05,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 466 transitions, 1125 flow. Second operand has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 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) [2022-04-18 16:32:05,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:05,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:05,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:07,107 INFO L129 PetriNetUnfolder]: 1043/5435 cut-off events. [2022-04-18 16:32:07,107 INFO L130 PetriNetUnfolder]: For 511/532 co-relation queries the response was YES. [2022-04-18 16:32:07,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9525 conditions, 5435 events. 1043/5435 cut-off events. For 511/532 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 57858 event pairs, 878 based on Foata normal form. 0/4960 useless extension candidates. Maximal degree in co-relation 9222. Up to 2264 conditions per place. [2022-04-18 16:32:07,224 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/468 dead transitions. [2022-04-18 16:32:07,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 468 transitions, 1266 flow [2022-04-18 16:32:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:07,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1528 transitions. [2022-04-18 16:32:07,228 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8796776050662061 [2022-04-18 16:32:07,228 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1528 transitions. [2022-04-18 16:32:07,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1528 transitions. [2022-04-18 16:32:07,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:07,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1528 transitions. [2022-04-18 16:32:07,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2022-04-18 16:32:07,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:07,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:07,235 INFO L186 Difference]: Start difference. First operand has 472 places, 466 transitions, 1125 flow. Second operand 3 states and 1528 transitions. [2022-04-18 16:32:07,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 468 transitions, 1266 flow [2022-04-18 16:32:07,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 468 transitions, 1262 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:07,247 INFO L242 Difference]: Finished difference. Result has 471 places, 465 transitions, 1123 flow [2022-04-18 16:32:07,248 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1123, PETRI_PLACES=471, PETRI_TRANSITIONS=465} [2022-04-18 16:32:07,248 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -80 predicate places. [2022-04-18 16:32:07,249 INFO L478 AbstractCegarLoop]: Abstraction has has 471 places, 465 transitions, 1123 flow [2022-04-18 16:32:07,249 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 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) [2022-04-18 16:32:07,249 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:07,250 INFO L255 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] [2022-04-18 16:32:07,250 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:32:07,250 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:07,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:07,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1913186106, now seen corresponding path program 1 times [2022-04-18 16:32:07,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:07,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152705486] [2022-04-18 16:32:07,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:07,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:07,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:07,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152705486] [2022-04-18 16:32:07,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152705486] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:07,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:07,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:07,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785469055] [2022-04-18 16:32:07,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:07,278 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:07,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:07,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:07,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:07,370 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:07,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 465 transitions, 1123 flow. Second operand has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 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) [2022-04-18 16:32:07,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:07,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:07,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:08,365 INFO L129 PetriNetUnfolder]: 606/4608 cut-off events. [2022-04-18 16:32:08,365 INFO L130 PetriNetUnfolder]: For 178/193 co-relation queries the response was YES. [2022-04-18 16:32:08,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7160 conditions, 4608 events. 606/4608 cut-off events. For 178/193 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 46721 event pairs, 469 based on Foata normal form. 0/4185 useless extension candidates. Maximal degree in co-relation 6128. Up to 1098 conditions per place. [2022-04-18 16:32:08,464 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 66 selfloop transitions, 2 changer transitions 0/467 dead transitions. [2022-04-18 16:32:08,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 467 transitions, 1266 flow [2022-04-18 16:32:08,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1520 transitions. [2022-04-18 16:32:08,470 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8750719631548647 [2022-04-18 16:32:08,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1520 transitions. [2022-04-18 16:32:08,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1520 transitions. [2022-04-18 16:32:08,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:08,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1520 transitions. [2022-04-18 16:32:08,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 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) [2022-04-18 16:32:08,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:08,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:08,476 INFO L186 Difference]: Start difference. First operand has 471 places, 465 transitions, 1123 flow. Second operand 3 states and 1520 transitions. [2022-04-18 16:32:08,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 467 transitions, 1266 flow [2022-04-18 16:32:08,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 467 transitions, 1262 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:08,488 INFO L242 Difference]: Finished difference. Result has 470 places, 464 transitions, 1121 flow [2022-04-18 16:32:08,489 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1117, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1121, PETRI_PLACES=470, PETRI_TRANSITIONS=464} [2022-04-18 16:32:08,489 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -81 predicate places. [2022-04-18 16:32:08,490 INFO L478 AbstractCegarLoop]: Abstraction has has 470 places, 464 transitions, 1121 flow [2022-04-18 16:32:08,490 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 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) [2022-04-18 16:32:08,490 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:08,491 INFO L255 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] [2022-04-18 16:32:08,491 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:32:08,491 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:08,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:08,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2026412724, now seen corresponding path program 1 times [2022-04-18 16:32:08,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:08,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581732836] [2022-04-18 16:32:08,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:08,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:08,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:08,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581732836] [2022-04-18 16:32:08,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581732836] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:08,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:08,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:08,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125653800] [2022-04-18 16:32:08,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:08,529 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:08,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:08,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:08,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:08,532 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:08,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 464 transitions, 1121 flow. Second operand has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 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) [2022-04-18 16:32:08,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:08,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:08,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:09,752 INFO L129 PetriNetUnfolder]: 557/4428 cut-off events. [2022-04-18 16:32:09,752 INFO L130 PetriNetUnfolder]: For 402/426 co-relation queries the response was YES. [2022-04-18 16:32:09,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6671 conditions, 4428 events. 557/4428 cut-off events. For 402/426 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 45335 event pairs, 423 based on Foata normal form. 0/4008 useless extension candidates. Maximal degree in co-relation 6412. Up to 1111 conditions per place. [2022-04-18 16:32:09,832 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 68 selfloop transitions, 2 changer transitions 0/466 dead transitions. [2022-04-18 16:32:09,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 466 transitions, 1268 flow [2022-04-18 16:32:09,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:09,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:09,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2022-04-18 16:32:09,834 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8756476683937824 [2022-04-18 16:32:09,834 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1521 transitions. [2022-04-18 16:32:09,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1521 transitions. [2022-04-18 16:32:09,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:09,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1521 transitions. [2022-04-18 16:32:09,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 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) [2022-04-18 16:32:09,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:09,838 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:09,839 INFO L186 Difference]: Start difference. First operand has 470 places, 464 transitions, 1121 flow. Second operand 3 states and 1521 transitions. [2022-04-18 16:32:09,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 466 transitions, 1268 flow [2022-04-18 16:32:09,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 466 transitions, 1264 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:09,849 INFO L242 Difference]: Finished difference. Result has 469 places, 463 transitions, 1119 flow [2022-04-18 16:32:09,850 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1115, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1119, PETRI_PLACES=469, PETRI_TRANSITIONS=463} [2022-04-18 16:32:09,850 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -82 predicate places. [2022-04-18 16:32:09,851 INFO L478 AbstractCegarLoop]: Abstraction has has 469 places, 463 transitions, 1119 flow [2022-04-18 16:32:09,851 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 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) [2022-04-18 16:32:09,851 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:09,851 INFO L255 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] [2022-04-18 16:32:09,851 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:32:09,852 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:09,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:09,852 INFO L85 PathProgramCache]: Analyzing trace with hash -618502965, now seen corresponding path program 1 times [2022-04-18 16:32:09,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:09,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243222500] [2022-04-18 16:32:09,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:09,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:09,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:09,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243222500] [2022-04-18 16:32:09,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243222500] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:09,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:09,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:09,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713394396] [2022-04-18 16:32:09,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:09,961 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:09,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:09,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:09,964 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-04-18 16:32:09,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 463 transitions, 1119 flow. Second operand has 6 states, 6 states have (on average 536.1666666666666) internal successors, (3217), 6 states have internal predecessors, (3217), 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) [2022-04-18 16:32:09,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:09,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-04-18 16:32:09,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:10,686 INFO L129 PetriNetUnfolder]: 88/2664 cut-off events. [2022-04-18 16:32:10,686 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-04-18 16:32:10,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3390 conditions, 2664 events. 88/2664 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 22194 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 2726. Up to 108 conditions per place. [2022-04-18 16:32:10,750 INFO L132 encePairwiseOnDemand]: 574/579 looper letters, 30 selfloop transitions, 4 changer transitions 0/462 dead transitions. [2022-04-18 16:32:10,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 462 transitions, 1185 flow [2022-04-18 16:32:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3239 transitions. [2022-04-18 16:32:10,755 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9323546344271733 [2022-04-18 16:32:10,755 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3239 transitions. [2022-04-18 16:32:10,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3239 transitions. [2022-04-18 16:32:10,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:10,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3239 transitions. [2022-04-18 16:32:10,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.8333333333334) internal successors, (3239), 6 states have internal predecessors, (3239), 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) [2022-04-18 16:32:10,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:10,768 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:10,769 INFO L186 Difference]: Start difference. First operand has 469 places, 463 transitions, 1119 flow. Second operand 6 states and 3239 transitions. [2022-04-18 16:32:10,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 462 transitions, 1185 flow [2022-04-18 16:32:10,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 462 transitions, 1181 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:10,782 INFO L242 Difference]: Finished difference. Result has 471 places, 462 transitions, 1121 flow [2022-04-18 16:32:10,783 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1121, PETRI_PLACES=471, PETRI_TRANSITIONS=462} [2022-04-18 16:32:10,783 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -80 predicate places. [2022-04-18 16:32:10,783 INFO L478 AbstractCegarLoop]: Abstraction has has 471 places, 462 transitions, 1121 flow [2022-04-18 16:32:10,786 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 536.1666666666666) internal successors, (3217), 6 states have internal predecessors, (3217), 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) [2022-04-18 16:32:10,786 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:10,786 INFO L255 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] [2022-04-18 16:32:10,786 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:32:10,786 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:10,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:10,787 INFO L85 PathProgramCache]: Analyzing trace with hash -529676758, now seen corresponding path program 1 times [2022-04-18 16:32:10,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:10,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052187002] [2022-04-18 16:32:10,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:10,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:10,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:10,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052187002] [2022-04-18 16:32:10,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052187002] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:10,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:10,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:10,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706346844] [2022-04-18 16:32:10,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:10,824 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:10,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:10,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:10,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:10,826 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:10,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 462 transitions, 1121 flow. Second operand has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 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) [2022-04-18 16:32:10,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:10,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:10,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:11,958 INFO L129 PetriNetUnfolder]: 1026/5372 cut-off events. [2022-04-18 16:32:11,958 INFO L130 PetriNetUnfolder]: For 505/526 co-relation queries the response was YES. [2022-04-18 16:32:12,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9410 conditions, 5372 events. 1026/5372 cut-off events. For 505/526 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 56874 event pairs, 861 based on Foata normal form. 0/4943 useless extension candidates. Maximal degree in co-relation 8073. Up to 2220 conditions per place. [2022-04-18 16:32:12,086 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/464 dead transitions. [2022-04-18 16:32:12,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 464 transitions, 1260 flow [2022-04-18 16:32:12,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1527 transitions. [2022-04-18 16:32:12,089 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8791018998272885 [2022-04-18 16:32:12,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1527 transitions. [2022-04-18 16:32:12,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1527 transitions. [2022-04-18 16:32:12,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:12,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1527 transitions. [2022-04-18 16:32:12,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 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) [2022-04-18 16:32:12,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:12,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:12,094 INFO L186 Difference]: Start difference. First operand has 471 places, 462 transitions, 1121 flow. Second operand 3 states and 1527 transitions. [2022-04-18 16:32:12,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 464 transitions, 1260 flow [2022-04-18 16:32:12,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 464 transitions, 1253 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:12,105 INFO L242 Difference]: Finished difference. Result has 468 places, 461 transitions, 1116 flow [2022-04-18 16:32:12,106 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1116, PETRI_PLACES=468, PETRI_TRANSITIONS=461} [2022-04-18 16:32:12,106 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -83 predicate places. [2022-04-18 16:32:12,106 INFO L478 AbstractCegarLoop]: Abstraction has has 468 places, 461 transitions, 1116 flow [2022-04-18 16:32:12,107 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 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) [2022-04-18 16:32:12,107 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:12,107 INFO L255 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] [2022-04-18 16:32:12,107 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:32:12,108 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:12,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash 248372598, now seen corresponding path program 1 times [2022-04-18 16:32:12,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:12,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126945245] [2022-04-18 16:32:12,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:12,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:12,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126945245] [2022-04-18 16:32:12,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126945245] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:12,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:12,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:12,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29622] [2022-04-18 16:32:12,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:12,138 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:12,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:12,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:12,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:12,141 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:12,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 461 transitions, 1116 flow. Second operand has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 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) [2022-04-18 16:32:12,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:12,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:12,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:13,153 INFO L129 PetriNetUnfolder]: 428/3724 cut-off events. [2022-04-18 16:32:13,153 INFO L130 PetriNetUnfolder]: For 474/486 co-relation queries the response was YES. [2022-04-18 16:32:13,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5378 conditions, 3724 events. 428/3724 cut-off events. For 474/486 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 36515 event pairs, 318 based on Foata normal form. 0/3385 useless extension candidates. Maximal degree in co-relation 4452. Up to 843 conditions per place. [2022-04-18 16:32:13,254 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/463 dead transitions. [2022-04-18 16:32:13,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 463 transitions, 1257 flow [2022-04-18 16:32:13,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1528 transitions. [2022-04-18 16:32:13,257 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8796776050662061 [2022-04-18 16:32:13,257 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1528 transitions. [2022-04-18 16:32:13,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1528 transitions. [2022-04-18 16:32:13,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:13,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1528 transitions. [2022-04-18 16:32:13,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 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) [2022-04-18 16:32:13,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:13,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:13,264 INFO L186 Difference]: Start difference. First operand has 468 places, 461 transitions, 1116 flow. Second operand 3 states and 1528 transitions. [2022-04-18 16:32:13,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 463 transitions, 1257 flow [2022-04-18 16:32:13,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 463 transitions, 1253 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:13,276 INFO L242 Difference]: Finished difference. Result has 467 places, 460 transitions, 1114 flow [2022-04-18 16:32:13,277 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=467, PETRI_TRANSITIONS=460} [2022-04-18 16:32:13,278 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -84 predicate places. [2022-04-18 16:32:13,278 INFO L478 AbstractCegarLoop]: Abstraction has has 467 places, 460 transitions, 1114 flow [2022-04-18 16:32:13,278 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 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) [2022-04-18 16:32:13,279 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:13,279 INFO L255 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] [2022-04-18 16:32:13,279 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:32:13,279 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:13,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:13,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1898706215, now seen corresponding path program 1 times [2022-04-18 16:32:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:13,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584625263] [2022-04-18 16:32:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:13,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:13,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:13,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584625263] [2022-04-18 16:32:13,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584625263] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:13,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:13,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035593414] [2022-04-18 16:32:13,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:13,313 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:13,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:13,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:13,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:13,316 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:13,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 460 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 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) [2022-04-18 16:32:13,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:13,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:13,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:14,293 INFO L129 PetriNetUnfolder]: 597/4548 cut-off events. [2022-04-18 16:32:14,294 INFO L130 PetriNetUnfolder]: For 176/191 co-relation queries the response was YES. [2022-04-18 16:32:14,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7069 conditions, 4548 events. 597/4548 cut-off events. For 176/191 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 45973 event pairs, 460 based on Foata normal form. 0/4176 useless extension candidates. Maximal degree in co-relation 6253. Up to 1077 conditions per place. [2022-04-18 16:32:14,399 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/462 dead transitions. [2022-04-18 16:32:14,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 462 transitions, 1255 flow [2022-04-18 16:32:14,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1519 transitions. [2022-04-18 16:32:14,404 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.874496257915947 [2022-04-18 16:32:14,404 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1519 transitions. [2022-04-18 16:32:14,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1519 transitions. [2022-04-18 16:32:14,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:14,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1519 transitions. [2022-04-18 16:32:14,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2022-04-18 16:32:14,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:14,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:14,409 INFO L186 Difference]: Start difference. First operand has 467 places, 460 transitions, 1114 flow. Second operand 3 states and 1519 transitions. [2022-04-18 16:32:14,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 462 transitions, 1255 flow [2022-04-18 16:32:14,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 462 transitions, 1251 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:14,420 INFO L242 Difference]: Finished difference. Result has 466 places, 459 transitions, 1112 flow [2022-04-18 16:32:14,421 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1112, PETRI_PLACES=466, PETRI_TRANSITIONS=459} [2022-04-18 16:32:14,422 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -85 predicate places. [2022-04-18 16:32:14,422 INFO L478 AbstractCegarLoop]: Abstraction has has 466 places, 459 transitions, 1112 flow [2022-04-18 16:32:14,422 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 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) [2022-04-18 16:32:14,422 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:14,422 INFO L255 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] [2022-04-18 16:32:14,423 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-18 16:32:14,423 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:14,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:14,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1316684707, now seen corresponding path program 1 times [2022-04-18 16:32:14,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:14,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829828566] [2022-04-18 16:32:14,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:14,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:14,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:14,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829828566] [2022-04-18 16:32:14,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829828566] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:14,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:14,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:14,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306780143] [2022-04-18 16:32:14,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:14,449 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:14,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:14,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:14,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:14,452 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:14,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 459 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 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) [2022-04-18 16:32:14,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:14,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:14,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:15,593 INFO L129 PetriNetUnfolder]: 549/4371 cut-off events. [2022-04-18 16:32:15,594 INFO L130 PetriNetUnfolder]: For 398/422 co-relation queries the response was YES. [2022-04-18 16:32:15,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6592 conditions, 4371 events. 549/4371 cut-off events. For 398/422 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 44639 event pairs, 415 based on Foata normal form. 0/4000 useless extension candidates. Maximal degree in co-relation 6369. Up to 1090 conditions per place. [2022-04-18 16:32:15,678 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 67 selfloop transitions, 2 changer transitions 0/461 dead transitions. [2022-04-18 16:32:15,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 461 transitions, 1257 flow [2022-04-18 16:32:15,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1520 transitions. [2022-04-18 16:32:15,680 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8750719631548647 [2022-04-18 16:32:15,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1520 transitions. [2022-04-18 16:32:15,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1520 transitions. [2022-04-18 16:32:15,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:15,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1520 transitions. [2022-04-18 16:32:15,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 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) [2022-04-18 16:32:15,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:15,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:15,684 INFO L186 Difference]: Start difference. First operand has 466 places, 459 transitions, 1112 flow. Second operand 3 states and 1520 transitions. [2022-04-18 16:32:15,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 461 transitions, 1257 flow [2022-04-18 16:32:15,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 461 transitions, 1253 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:15,694 INFO L242 Difference]: Finished difference. Result has 465 places, 458 transitions, 1110 flow [2022-04-18 16:32:15,695 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=465, PETRI_TRANSITIONS=458} [2022-04-18 16:32:15,695 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -86 predicate places. [2022-04-18 16:32:15,695 INFO L478 AbstractCegarLoop]: Abstraction has has 465 places, 458 transitions, 1110 flow [2022-04-18 16:32:15,696 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 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) [2022-04-18 16:32:15,696 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:15,696 INFO L255 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] [2022-04-18 16:32:15,696 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 16:32:15,696 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:15,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1977041196, now seen corresponding path program 1 times [2022-04-18 16:32:15,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:15,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383478220] [2022-04-18 16:32:15,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:15,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:15,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:15,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383478220] [2022-04-18 16:32:15,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383478220] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:15,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:15,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:15,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536767626] [2022-04-18 16:32:15,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:15,722 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:15,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:15,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:15,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:15,724 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:15,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 458 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 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) [2022-04-18 16:32:15,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:15,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:15,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:16,876 INFO L129 PetriNetUnfolder]: 1009/5302 cut-off events. [2022-04-18 16:32:16,877 INFO L130 PetriNetUnfolder]: For 515/536 co-relation queries the response was YES. [2022-04-18 16:32:16,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9299 conditions, 5302 events. 1009/5302 cut-off events. For 515/536 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 56009 event pairs, 844 based on Foata normal form. 0/4926 useless extension candidates. Maximal degree in co-relation 8386. Up to 2176 conditions per place. [2022-04-18 16:32:17,139 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2022-04-18 16:32:17,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 460 transitions, 1247 flow [2022-04-18 16:32:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1526 transitions. [2022-04-18 16:32:17,141 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8785261945883708 [2022-04-18 16:32:17,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1526 transitions. [2022-04-18 16:32:17,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1526 transitions. [2022-04-18 16:32:17,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:17,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1526 transitions. [2022-04-18 16:32:17,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 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) [2022-04-18 16:32:17,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:17,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:17,145 INFO L186 Difference]: Start difference. First operand has 465 places, 458 transitions, 1110 flow. Second operand 3 states and 1526 transitions. [2022-04-18 16:32:17,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 460 transitions, 1247 flow [2022-04-18 16:32:17,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 460 transitions, 1243 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:17,153 INFO L242 Difference]: Finished difference. Result has 464 places, 457 transitions, 1108 flow [2022-04-18 16:32:17,154 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1104, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1108, PETRI_PLACES=464, PETRI_TRANSITIONS=457} [2022-04-18 16:32:17,154 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -87 predicate places. [2022-04-18 16:32:17,154 INFO L478 AbstractCegarLoop]: Abstraction has has 464 places, 457 transitions, 1108 flow [2022-04-18 16:32:17,155 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 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) [2022-04-18 16:32:17,155 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:17,155 INFO L255 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] [2022-04-18 16:32:17,155 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 16:32:17,155 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:17,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:17,156 INFO L85 PathProgramCache]: Analyzing trace with hash -86358854, now seen corresponding path program 1 times [2022-04-18 16:32:17,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:17,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745207283] [2022-04-18 16:32:17,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:17,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:17,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745207283] [2022-04-18 16:32:17,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745207283] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:17,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:17,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440377267] [2022-04-18 16:32:17,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:17,182 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:17,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:17,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:17,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:17,185 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:17,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 457 transitions, 1108 flow. Second operand has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 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) [2022-04-18 16:32:17,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:17,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:17,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:18,060 INFO L129 PetriNetUnfolder]: 422/3679 cut-off events. [2022-04-18 16:32:18,061 INFO L130 PetriNetUnfolder]: For 468/480 co-relation queries the response was YES. [2022-04-18 16:32:18,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5317 conditions, 3679 events. 422/3679 cut-off events. For 468/480 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 35907 event pairs, 312 based on Foata normal form. 0/3379 useless extension candidates. Maximal degree in co-relation 4398. Up to 827 conditions per place. [2022-04-18 16:32:18,158 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2022-04-18 16:32:18,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 459 transitions, 1247 flow [2022-04-18 16:32:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1527 transitions. [2022-04-18 16:32:18,161 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8791018998272885 [2022-04-18 16:32:18,161 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1527 transitions. [2022-04-18 16:32:18,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1527 transitions. [2022-04-18 16:32:18,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:18,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1527 transitions. [2022-04-18 16:32:18,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 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) [2022-04-18 16:32:18,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:18,164 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:18,164 INFO L186 Difference]: Start difference. First operand has 464 places, 457 transitions, 1108 flow. Second operand 3 states and 1527 transitions. [2022-04-18 16:32:18,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 459 transitions, 1247 flow [2022-04-18 16:32:18,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 459 transitions, 1243 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:18,174 INFO L242 Difference]: Finished difference. Result has 463 places, 456 transitions, 1106 flow [2022-04-18 16:32:18,175 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1106, PETRI_PLACES=463, PETRI_TRANSITIONS=456} [2022-04-18 16:32:18,176 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -88 predicate places. [2022-04-18 16:32:18,176 INFO L478 AbstractCegarLoop]: Abstraction has has 463 places, 456 transitions, 1106 flow [2022-04-18 16:32:18,176 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 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) [2022-04-18 16:32:18,179 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:18,179 INFO L255 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] [2022-04-18 16:32:18,180 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 16:32:18,180 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:18,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1248741326, now seen corresponding path program 1 times [2022-04-18 16:32:18,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:18,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383038992] [2022-04-18 16:32:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:18,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:18,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:18,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383038992] [2022-04-18 16:32:18,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383038992] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:18,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:18,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:18,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058712101] [2022-04-18 16:32:18,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:18,208 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:18,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:18,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:18,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:18,210 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:18,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 456 transitions, 1106 flow. Second operand has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 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) [2022-04-18 16:32:18,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:18,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:18,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:19,114 INFO L129 PetriNetUnfolder]: 588/4491 cut-off events. [2022-04-18 16:32:19,114 INFO L130 PetriNetUnfolder]: For 176/191 co-relation queries the response was YES. [2022-04-18 16:32:19,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6982 conditions, 4491 events. 588/4491 cut-off events. For 176/191 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 45243 event pairs, 451 based on Foata normal form. 0/4167 useless extension candidates. Maximal degree in co-relation 6286. Up to 1056 conditions per place. [2022-04-18 16:32:19,199 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/458 dead transitions. [2022-04-18 16:32:19,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 458 transitions, 1245 flow [2022-04-18 16:32:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:19,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1518 transitions. [2022-04-18 16:32:19,201 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8739205526770294 [2022-04-18 16:32:19,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1518 transitions. [2022-04-18 16:32:19,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1518 transitions. [2022-04-18 16:32:19,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:19,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1518 transitions. [2022-04-18 16:32:19,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 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) [2022-04-18 16:32:19,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:19,205 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:19,205 INFO L186 Difference]: Start difference. First operand has 463 places, 456 transitions, 1106 flow. Second operand 3 states and 1518 transitions. [2022-04-18 16:32:19,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 458 transitions, 1245 flow [2022-04-18 16:32:19,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 458 transitions, 1241 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:19,213 INFO L242 Difference]: Finished difference. Result has 462 places, 455 transitions, 1104 flow [2022-04-18 16:32:19,214 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1100, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=462, PETRI_TRANSITIONS=455} [2022-04-18 16:32:19,214 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -89 predicate places. [2022-04-18 16:32:19,215 INFO L478 AbstractCegarLoop]: Abstraction has has 462 places, 455 transitions, 1104 flow [2022-04-18 16:32:19,215 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 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) [2022-04-18 16:32:19,215 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:19,215 INFO L255 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] [2022-04-18 16:32:19,215 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-18 16:32:19,216 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:19,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash -529219855, now seen corresponding path program 1 times [2022-04-18 16:32:19,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:19,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390922183] [2022-04-18 16:32:19,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:19,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:19,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:19,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390922183] [2022-04-18 16:32:19,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390922183] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:19,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:19,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:19,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856653253] [2022-04-18 16:32:19,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:19,333 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:19,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:19,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:19,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:19,336 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-04-18 16:32:19,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 455 transitions, 1104 flow. Second operand has 6 states, 6 states have (on average 537.1666666666666) internal successors, (3223), 6 states have internal predecessors, (3223), 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) [2022-04-18 16:32:19,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:19,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-04-18 16:32:19,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:19,874 INFO L129 PetriNetUnfolder]: 88/2611 cut-off events. [2022-04-18 16:32:19,874 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-04-18 16:32:19,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3327 conditions, 2611 events. 88/2611 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 21574 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 3148. Up to 108 conditions per place. [2022-04-18 16:32:19,936 INFO L132 encePairwiseOnDemand]: 574/579 looper letters, 29 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2022-04-18 16:32:19,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 454 transitions, 1168 flow [2022-04-18 16:32:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3238 transitions. [2022-04-18 16:32:19,941 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9320667818077144 [2022-04-18 16:32:19,941 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3238 transitions. [2022-04-18 16:32:19,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3238 transitions. [2022-04-18 16:32:19,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:19,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3238 transitions. [2022-04-18 16:32:19,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.6666666666666) internal successors, (3238), 6 states have internal predecessors, (3238), 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) [2022-04-18 16:32:19,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:19,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:19,947 INFO L186 Difference]: Start difference. First operand has 462 places, 455 transitions, 1104 flow. Second operand 6 states and 3238 transitions. [2022-04-18 16:32:19,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 454 transitions, 1168 flow [2022-04-18 16:32:19,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 454 transitions, 1164 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:19,955 INFO L242 Difference]: Finished difference. Result has 464 places, 454 transitions, 1106 flow [2022-04-18 16:32:19,955 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1106, PETRI_PLACES=464, PETRI_TRANSITIONS=454} [2022-04-18 16:32:19,956 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -87 predicate places. [2022-04-18 16:32:19,956 INFO L478 AbstractCegarLoop]: Abstraction has has 464 places, 454 transitions, 1106 flow [2022-04-18 16:32:19,956 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 537.1666666666666) internal successors, (3223), 6 states have internal predecessors, (3223), 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) [2022-04-18 16:32:19,956 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:19,956 INFO L255 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] [2022-04-18 16:32:19,956 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-18 16:32:19,957 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:19,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 106455776, now seen corresponding path program 1 times [2022-04-18 16:32:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:19,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383386233] [2022-04-18 16:32:19,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:20,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:20,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383386233] [2022-04-18 16:32:20,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383386233] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:20,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:20,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:20,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290251471] [2022-04-18 16:32:20,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:20,004 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:20,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:20,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:20,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:20,007 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:20,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 454 transitions, 1106 flow. Second operand has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 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) [2022-04-18 16:32:20,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:20,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:20,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:21,161 INFO L129 PetriNetUnfolder]: 541/4314 cut-off events. [2022-04-18 16:32:21,161 INFO L130 PetriNetUnfolder]: For 391/415 co-relation queries the response was YES. [2022-04-18 16:32:21,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6516 conditions, 4314 events. 541/4314 cut-off events. For 391/415 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 43778 event pairs, 407 based on Foata normal form. 0/3992 useless extension candidates. Maximal degree in co-relation 5754. Up to 1069 conditions per place. [2022-04-18 16:32:21,307 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 66 selfloop transitions, 2 changer transitions 0/456 dead transitions. [2022-04-18 16:32:21,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 456 transitions, 1249 flow [2022-04-18 16:32:21,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:21,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1519 transitions. [2022-04-18 16:32:21,311 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.874496257915947 [2022-04-18 16:32:21,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1519 transitions. [2022-04-18 16:32:21,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1519 transitions. [2022-04-18 16:32:21,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:21,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1519 transitions. [2022-04-18 16:32:21,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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) [2022-04-18 16:32:21,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:21,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:21,316 INFO L186 Difference]: Start difference. First operand has 464 places, 454 transitions, 1106 flow. Second operand 3 states and 1519 transitions. [2022-04-18 16:32:21,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 456 transitions, 1249 flow [2022-04-18 16:32:21,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 456 transitions, 1242 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:21,326 INFO L242 Difference]: Finished difference. Result has 461 places, 453 transitions, 1101 flow [2022-04-18 16:32:21,326 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1101, PETRI_PLACES=461, PETRI_TRANSITIONS=453} [2022-04-18 16:32:21,327 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -90 predicate places. [2022-04-18 16:32:21,327 INFO L478 AbstractCegarLoop]: Abstraction has has 461 places, 453 transitions, 1101 flow [2022-04-18 16:32:21,328 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 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) [2022-04-18 16:32:21,328 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:21,328 INFO L255 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] [2022-04-18 16:32:21,328 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-18 16:32:21,328 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:21,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:21,329 INFO L85 PathProgramCache]: Analyzing trace with hash -239018122, now seen corresponding path program 1 times [2022-04-18 16:32:21,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:21,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296992268] [2022-04-18 16:32:21,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:21,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:21,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:21,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296992268] [2022-04-18 16:32:21,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296992268] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:21,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:21,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:21,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839543356] [2022-04-18 16:32:21,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:21,365 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:21,367 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:21,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 453 transitions, 1101 flow. Second operand has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 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) [2022-04-18 16:32:21,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:21,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:21,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:22,505 INFO L129 PetriNetUnfolder]: 992/5229 cut-off events. [2022-04-18 16:32:22,506 INFO L130 PetriNetUnfolder]: For 512/533 co-relation queries the response was YES. [2022-04-18 16:32:22,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9171 conditions, 5229 events. 992/5229 cut-off events. For 512/533 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 54838 event pairs, 827 based on Foata normal form. 0/4909 useless extension candidates. Maximal degree in co-relation 8414. Up to 2132 conditions per place. [2022-04-18 16:32:22,665 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/455 dead transitions. [2022-04-18 16:32:22,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 455 transitions, 1236 flow [2022-04-18 16:32:22,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1525 transitions. [2022-04-18 16:32:22,667 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8779504893494531 [2022-04-18 16:32:22,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1525 transitions. [2022-04-18 16:32:22,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1525 transitions. [2022-04-18 16:32:22,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:22,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1525 transitions. [2022-04-18 16:32:22,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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) [2022-04-18 16:32:22,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:22,671 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:22,671 INFO L186 Difference]: Start difference. First operand has 461 places, 453 transitions, 1101 flow. Second operand 3 states and 1525 transitions. [2022-04-18 16:32:22,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 455 transitions, 1236 flow [2022-04-18 16:32:22,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 455 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:22,680 INFO L242 Difference]: Finished difference. Result has 460 places, 452 transitions, 1099 flow [2022-04-18 16:32:22,681 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1099, PETRI_PLACES=460, PETRI_TRANSITIONS=452} [2022-04-18 16:32:22,681 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -91 predicate places. [2022-04-18 16:32:22,681 INFO L478 AbstractCegarLoop]: Abstraction has has 460 places, 452 transitions, 1099 flow [2022-04-18 16:32:22,682 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 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) [2022-04-18 16:32:22,682 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:22,682 INFO L255 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] [2022-04-18 16:32:22,682 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-18 16:32:22,682 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:22,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1375026174, now seen corresponding path program 1 times [2022-04-18 16:32:22,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:22,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151750128] [2022-04-18 16:32:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:22,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:22,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:22,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151750128] [2022-04-18 16:32:22,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151750128] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:22,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:22,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:22,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112124483] [2022-04-18 16:32:22,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:22,724 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:22,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:22,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:22,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:22,726 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:22,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 452 transitions, 1099 flow. Second operand has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 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) [2022-04-18 16:32:22,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:22,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:22,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:23,533 INFO L129 PetriNetUnfolder]: 416/3631 cut-off events. [2022-04-18 16:32:23,533 INFO L130 PetriNetUnfolder]: For 462/474 co-relation queries the response was YES. [2022-04-18 16:32:23,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5256 conditions, 3631 events. 416/3631 cut-off events. For 462/474 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 35267 event pairs, 306 based on Foata normal form. 0/3373 useless extension candidates. Maximal degree in co-relation 4486. Up to 811 conditions per place. [2022-04-18 16:32:23,619 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/454 dead transitions. [2022-04-18 16:32:23,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 454 transitions, 1236 flow [2022-04-18 16:32:23,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1526 transitions. [2022-04-18 16:32:23,622 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8785261945883708 [2022-04-18 16:32:23,622 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1526 transitions. [2022-04-18 16:32:23,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1526 transitions. [2022-04-18 16:32:23,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:23,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1526 transitions. [2022-04-18 16:32:23,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 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) [2022-04-18 16:32:23,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:23,625 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:23,625 INFO L186 Difference]: Start difference. First operand has 460 places, 452 transitions, 1099 flow. Second operand 3 states and 1526 transitions. [2022-04-18 16:32:23,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 454 transitions, 1236 flow [2022-04-18 16:32:23,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 454 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:23,635 INFO L242 Difference]: Finished difference. Result has 459 places, 451 transitions, 1097 flow [2022-04-18 16:32:23,636 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1097, PETRI_PLACES=459, PETRI_TRANSITIONS=451} [2022-04-18 16:32:23,636 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -92 predicate places. [2022-04-18 16:32:23,636 INFO L478 AbstractCegarLoop]: Abstraction has has 459 places, 451 transitions, 1097 flow [2022-04-18 16:32:23,637 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 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) [2022-04-18 16:32:23,637 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:23,637 INFO L255 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] [2022-04-18 16:32:23,637 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-18 16:32:23,637 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:23,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:23,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1004144379, now seen corresponding path program 1 times [2022-04-18 16:32:23,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:23,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847355095] [2022-04-18 16:32:23,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:23,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:23,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:23,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847355095] [2022-04-18 16:32:23,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847355095] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:23,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:23,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:23,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029450208] [2022-04-18 16:32:23,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:23,672 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:23,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:23,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:23,675 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:23,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 451 transitions, 1097 flow. Second operand has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 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) [2022-04-18 16:32:23,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:23,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:23,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:24,724 INFO L129 PetriNetUnfolder]: 579/4431 cut-off events. [2022-04-18 16:32:24,724 INFO L130 PetriNetUnfolder]: For 176/191 co-relation queries the response was YES. [2022-04-18 16:32:24,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6895 conditions, 4431 events. 579/4431 cut-off events. For 176/191 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 44485 event pairs, 442 based on Foata normal form. 0/4158 useless extension candidates. Maximal degree in co-relation 6319. Up to 1035 conditions per place. [2022-04-18 16:32:24,847 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/453 dead transitions. [2022-04-18 16:32:24,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 453 transitions, 1234 flow [2022-04-18 16:32:24,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:24,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1517 transitions. [2022-04-18 16:32:24,850 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8733448474381117 [2022-04-18 16:32:24,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1517 transitions. [2022-04-18 16:32:24,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1517 transitions. [2022-04-18 16:32:24,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:24,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1517 transitions. [2022-04-18 16:32:24,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 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) [2022-04-18 16:32:24,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:24,853 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:24,853 INFO L186 Difference]: Start difference. First operand has 459 places, 451 transitions, 1097 flow. Second operand 3 states and 1517 transitions. [2022-04-18 16:32:24,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 453 transitions, 1234 flow [2022-04-18 16:32:24,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 453 transitions, 1230 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:24,866 INFO L242 Difference]: Finished difference. Result has 458 places, 450 transitions, 1095 flow [2022-04-18 16:32:24,866 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1095, PETRI_PLACES=458, PETRI_TRANSITIONS=450} [2022-04-18 16:32:24,867 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -93 predicate places. [2022-04-18 16:32:24,867 INFO L478 AbstractCegarLoop]: Abstraction has has 458 places, 450 transitions, 1095 flow [2022-04-18 16:32:24,868 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 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) [2022-04-18 16:32:24,868 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:24,868 INFO L255 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] [2022-04-18 16:32:24,868 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-18 16:32:24,868 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:24,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:24,869 INFO L85 PathProgramCache]: Analyzing trace with hash 356751817, now seen corresponding path program 1 times [2022-04-18 16:32:24,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:24,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925952106] [2022-04-18 16:32:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:24,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:24,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:24,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925952106] [2022-04-18 16:32:24,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925952106] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:24,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:24,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:24,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036518431] [2022-04-18 16:32:24,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:24,897 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:24,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:24,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:24,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:24,899 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:24,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 450 transitions, 1095 flow. Second operand has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 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) [2022-04-18 16:32:24,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:24,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:24,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:25,809 INFO L129 PetriNetUnfolder]: 533/4260 cut-off events. [2022-04-18 16:32:25,810 INFO L130 PetriNetUnfolder]: For 390/414 co-relation queries the response was YES. [2022-04-18 16:32:25,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6434 conditions, 4260 events. 533/4260 cut-off events. For 390/414 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 43004 event pairs, 399 based on Foata normal form. 0/3984 useless extension candidates. Maximal degree in co-relation 6283. Up to 1048 conditions per place. [2022-04-18 16:32:25,946 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2022-04-18 16:32:25,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 452 transitions, 1236 flow [2022-04-18 16:32:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:25,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1518 transitions. [2022-04-18 16:32:25,949 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8739205526770294 [2022-04-18 16:32:25,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1518 transitions. [2022-04-18 16:32:25,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1518 transitions. [2022-04-18 16:32:25,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:25,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1518 transitions. [2022-04-18 16:32:25,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 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) [2022-04-18 16:32:25,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:25,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:25,953 INFO L186 Difference]: Start difference. First operand has 458 places, 450 transitions, 1095 flow. Second operand 3 states and 1518 transitions. [2022-04-18 16:32:25,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 452 transitions, 1236 flow [2022-04-18 16:32:25,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 452 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:25,964 INFO L242 Difference]: Finished difference. Result has 457 places, 449 transitions, 1093 flow [2022-04-18 16:32:25,965 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1089, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1093, PETRI_PLACES=457, PETRI_TRANSITIONS=449} [2022-04-18 16:32:25,967 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -94 predicate places. [2022-04-18 16:32:25,967 INFO L478 AbstractCegarLoop]: Abstraction has has 457 places, 449 transitions, 1093 flow [2022-04-18 16:32:25,968 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 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) [2022-04-18 16:32:25,968 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:25,968 INFO L255 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] [2022-04-18 16:32:25,968 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-18 16:32:25,968 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:25,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:25,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1149415648, now seen corresponding path program 1 times [2022-04-18 16:32:25,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:25,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827796477] [2022-04-18 16:32:25,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:25,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:25,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:25,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827796477] [2022-04-18 16:32:25,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827796477] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:25,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:25,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:26,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90847612] [2022-04-18 16:32:26,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:26,000 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:26,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:26,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:26,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:26,003 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:26,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 449 transitions, 1093 flow. Second operand has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 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) [2022-04-18 16:32:26,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:26,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:26,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:27,311 INFO L129 PetriNetUnfolder]: 975/5159 cut-off events. [2022-04-18 16:32:27,311 INFO L130 PetriNetUnfolder]: For 509/530 co-relation queries the response was YES. [2022-04-18 16:32:27,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9043 conditions, 5159 events. 975/5159 cut-off events. For 509/530 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 53617 event pairs, 810 based on Foata normal form. 0/4892 useless extension candidates. Maximal degree in co-relation 8442. Up to 2088 conditions per place. [2022-04-18 16:32:27,473 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 61 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2022-04-18 16:32:27,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 451 transitions, 1226 flow [2022-04-18 16:32:27,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2022-04-18 16:32:27,477 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8773747841105354 [2022-04-18 16:32:27,477 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1524 transitions. [2022-04-18 16:32:27,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1524 transitions. [2022-04-18 16:32:27,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:27,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1524 transitions. [2022-04-18 16:32:27,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 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) [2022-04-18 16:32:27,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:27,482 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:27,482 INFO L186 Difference]: Start difference. First operand has 457 places, 449 transitions, 1093 flow. Second operand 3 states and 1524 transitions. [2022-04-18 16:32:27,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 451 transitions, 1226 flow [2022-04-18 16:32:27,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 451 transitions, 1222 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:27,494 INFO L242 Difference]: Finished difference. Result has 456 places, 448 transitions, 1091 flow [2022-04-18 16:32:27,495 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1091, PETRI_PLACES=456, PETRI_TRANSITIONS=448} [2022-04-18 16:32:27,495 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -95 predicate places. [2022-04-18 16:32:27,495 INFO L478 AbstractCegarLoop]: Abstraction has has 456 places, 448 transitions, 1091 flow [2022-04-18 16:32:27,496 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 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) [2022-04-18 16:32:27,496 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:27,496 INFO L255 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] [2022-04-18 16:32:27,496 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-18 16:32:27,497 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:27,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:27,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1832447743, now seen corresponding path program 1 times [2022-04-18 16:32:27,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:27,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964484469] [2022-04-18 16:32:27,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:27,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:27,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:27,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964484469] [2022-04-18 16:32:27,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964484469] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:27,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:27,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:27,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410191955] [2022-04-18 16:32:27,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:27,616 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:27,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:27,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:27,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:27,619 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-04-18 16:32:27,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 448 transitions, 1091 flow. Second operand has 6 states, 6 states have (on average 538.1666666666666) internal successors, (3229), 6 states have internal predecessors, (3229), 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) [2022-04-18 16:32:27,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:27,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-04-18 16:32:27,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:28,162 INFO L129 PetriNetUnfolder]: 88/2553 cut-off events. [2022-04-18 16:32:28,162 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-04-18 16:32:28,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3291 conditions, 2553 events. 88/2553 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 20875 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 2785. Up to 108 conditions per place. [2022-04-18 16:32:28,217 INFO L132 encePairwiseOnDemand]: 574/579 looper letters, 28 selfloop transitions, 4 changer transitions 0/447 dead transitions. [2022-04-18 16:32:28,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 447 transitions, 1153 flow [2022-04-18 16:32:28,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3237 transitions. [2022-04-18 16:32:28,223 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9317789291882557 [2022-04-18 16:32:28,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3237 transitions. [2022-04-18 16:32:28,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3237 transitions. [2022-04-18 16:32:28,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:28,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3237 transitions. [2022-04-18 16:32:28,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.5) internal successors, (3237), 6 states have internal predecessors, (3237), 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) [2022-04-18 16:32:28,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:28,228 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:28,228 INFO L186 Difference]: Start difference. First operand has 456 places, 448 transitions, 1091 flow. Second operand 6 states and 3237 transitions. [2022-04-18 16:32:28,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 447 transitions, 1153 flow [2022-04-18 16:32:28,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 447 transitions, 1149 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:28,236 INFO L242 Difference]: Finished difference. Result has 458 places, 447 transitions, 1093 flow [2022-04-18 16:32:28,236 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1093, PETRI_PLACES=458, PETRI_TRANSITIONS=447} [2022-04-18 16:32:28,237 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -93 predicate places. [2022-04-18 16:32:28,237 INFO L478 AbstractCegarLoop]: Abstraction has has 458 places, 447 transitions, 1093 flow [2022-04-18 16:32:28,237 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.1666666666666) internal successors, (3229), 6 states have internal predecessors, (3229), 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) [2022-04-18 16:32:28,237 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:28,237 INFO L255 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] [2022-04-18 16:32:28,237 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-18 16:32:28,238 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash 374861766, now seen corresponding path program 1 times [2022-04-18 16:32:28,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:28,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527475234] [2022-04-18 16:32:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:28,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:28,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527475234] [2022-04-18 16:32:28,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527475234] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:28,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:28,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:28,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020671405] [2022-04-18 16:32:28,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:28,266 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:28,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:28,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:28,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:28,268 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:28,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 447 transitions, 1093 flow. Second operand has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 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) [2022-04-18 16:32:28,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:28,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:28,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:29,052 INFO L129 PetriNetUnfolder]: 410/3579 cut-off events. [2022-04-18 16:32:29,052 INFO L130 PetriNetUnfolder]: For 440/452 co-relation queries the response was YES. [2022-04-18 16:32:29,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5184 conditions, 3579 events. 410/3579 cut-off events. For 440/452 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 34456 event pairs, 300 based on Foata normal form. 0/3367 useless extension candidates. Maximal degree in co-relation 4751. Up to 795 conditions per place. [2022-04-18 16:32:29,133 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/449 dead transitions. [2022-04-18 16:32:29,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 449 transitions, 1228 flow [2022-04-18 16:32:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1525 transitions. [2022-04-18 16:32:29,136 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8779504893494531 [2022-04-18 16:32:29,136 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1525 transitions. [2022-04-18 16:32:29,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1525 transitions. [2022-04-18 16:32:29,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:29,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1525 transitions. [2022-04-18 16:32:29,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 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) [2022-04-18 16:32:29,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:29,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:29,141 INFO L186 Difference]: Start difference. First operand has 458 places, 447 transitions, 1093 flow. Second operand 3 states and 1525 transitions. [2022-04-18 16:32:29,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 449 transitions, 1228 flow [2022-04-18 16:32:29,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 449 transitions, 1221 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:29,151 INFO L242 Difference]: Finished difference. Result has 455 places, 446 transitions, 1088 flow [2022-04-18 16:32:29,152 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1088, PETRI_PLACES=455, PETRI_TRANSITIONS=446} [2022-04-18 16:32:29,152 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -96 predicate places. [2022-04-18 16:32:29,152 INFO L478 AbstractCegarLoop]: Abstraction has has 455 places, 446 transitions, 1088 flow [2022-04-18 16:32:29,153 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 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) [2022-04-18 16:32:29,153 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:29,153 INFO L255 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] [2022-04-18 16:32:29,153 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-04-18 16:32:29,153 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:29,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:29,154 INFO L85 PathProgramCache]: Analyzing trace with hash -224858210, now seen corresponding path program 1 times [2022-04-18 16:32:29,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:29,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447709302] [2022-04-18 16:32:29,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:29,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:29,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:29,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447709302] [2022-04-18 16:32:29,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447709302] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:29,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:29,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:29,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533834170] [2022-04-18 16:32:29,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:29,202 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:29,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:29,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:29,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:29,205 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:29,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 446 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 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) [2022-04-18 16:32:29,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:29,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:29,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:30,201 INFO L129 PetriNetUnfolder]: 570/4371 cut-off events. [2022-04-18 16:32:30,202 INFO L130 PetriNetUnfolder]: For 176/191 co-relation queries the response was YES. [2022-04-18 16:32:30,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6808 conditions, 4371 events. 570/4371 cut-off events. For 176/191 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 43707 event pairs, 433 based on Foata normal form. 0/4149 useless extension candidates. Maximal degree in co-relation 6352. Up to 1014 conditions per place. [2022-04-18 16:32:30,325 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/448 dead transitions. [2022-04-18 16:32:30,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 448 transitions, 1223 flow [2022-04-18 16:32:30,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1516 transitions. [2022-04-18 16:32:30,327 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.872769142199194 [2022-04-18 16:32:30,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1516 transitions. [2022-04-18 16:32:30,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1516 transitions. [2022-04-18 16:32:30,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:30,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1516 transitions. [2022-04-18 16:32:30,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 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) [2022-04-18 16:32:30,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:30,331 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:30,331 INFO L186 Difference]: Start difference. First operand has 455 places, 446 transitions, 1088 flow. Second operand 3 states and 1516 transitions. [2022-04-18 16:32:30,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 448 transitions, 1223 flow [2022-04-18 16:32:30,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 448 transitions, 1219 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:30,342 INFO L242 Difference]: Finished difference. Result has 454 places, 445 transitions, 1086 flow [2022-04-18 16:32:30,343 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1086, PETRI_PLACES=454, PETRI_TRANSITIONS=445} [2022-04-18 16:32:30,343 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -97 predicate places. [2022-04-18 16:32:30,343 INFO L478 AbstractCegarLoop]: Abstraction has has 454 places, 445 transitions, 1086 flow [2022-04-18 16:32:30,344 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 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) [2022-04-18 16:32:30,344 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:30,344 INFO L255 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] [2022-04-18 16:32:30,344 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-04-18 16:32:30,345 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:30,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:30,345 INFO L85 PathProgramCache]: Analyzing trace with hash -719056116, now seen corresponding path program 1 times [2022-04-18 16:32:30,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:30,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706925592] [2022-04-18 16:32:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:30,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:30,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:30,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706925592] [2022-04-18 16:32:30,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706925592] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:30,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:30,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:30,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886765814] [2022-04-18 16:32:30,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:30,411 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:30,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:30,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:30,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:30,414 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:30,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 445 transitions, 1086 flow. Second operand has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 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) [2022-04-18 16:32:30,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:30,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:30,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:31,501 INFO L129 PetriNetUnfolder]: 525/4199 cut-off events. [2022-04-18 16:32:31,501 INFO L130 PetriNetUnfolder]: For 386/410 co-relation queries the response was YES. [2022-04-18 16:32:31,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6355 conditions, 4199 events. 525/4199 cut-off events. For 386/410 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 42255 event pairs, 391 based on Foata normal form. 0/3976 useless extension candidates. Maximal degree in co-relation 6240. Up to 1027 conditions per place. [2022-04-18 16:32:31,633 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/447 dead transitions. [2022-04-18 16:32:31,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 447 transitions, 1225 flow [2022-04-18 16:32:31,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1517 transitions. [2022-04-18 16:32:31,636 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8733448474381117 [2022-04-18 16:32:31,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1517 transitions. [2022-04-18 16:32:31,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1517 transitions. [2022-04-18 16:32:31,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:31,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1517 transitions. [2022-04-18 16:32:31,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 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) [2022-04-18 16:32:31,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:31,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:31,639 INFO L186 Difference]: Start difference. First operand has 454 places, 445 transitions, 1086 flow. Second operand 3 states and 1517 transitions. [2022-04-18 16:32:31,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 447 transitions, 1225 flow [2022-04-18 16:32:31,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 447 transitions, 1221 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:31,649 INFO L242 Difference]: Finished difference. Result has 453 places, 444 transitions, 1084 flow [2022-04-18 16:32:31,650 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=453, PETRI_TRANSITIONS=444} [2022-04-18 16:32:31,650 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -98 predicate places. [2022-04-18 16:32:31,650 INFO L478 AbstractCegarLoop]: Abstraction has has 453 places, 444 transitions, 1084 flow [2022-04-18 16:32:31,651 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 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) [2022-04-18 16:32:31,651 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:31,651 INFO L255 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] [2022-04-18 16:32:31,651 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-04-18 16:32:31,652 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1748379454, now seen corresponding path program 1 times [2022-04-18 16:32:31,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:31,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115825242] [2022-04-18 16:32:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:31,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:31,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:31,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115825242] [2022-04-18 16:32:31,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115825242] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:31,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:31,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:31,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607970038] [2022-04-18 16:32:31,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:31,687 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:31,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:31,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:31,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:31,690 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:31,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 444 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 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) [2022-04-18 16:32:31,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:31,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:31,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:32,888 INFO L129 PetriNetUnfolder]: 958/5086 cut-off events. [2022-04-18 16:32:32,888 INFO L130 PetriNetUnfolder]: For 506/527 co-relation queries the response was YES. [2022-04-18 16:32:32,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8915 conditions, 5086 events. 958/5086 cut-off events. For 506/527 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 52556 event pairs, 793 based on Foata normal form. 0/4875 useless extension candidates. Maximal degree in co-relation 8470. Up to 2044 conditions per place. [2022-04-18 16:32:32,973 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 60 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2022-04-18 16:32:32,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 446 transitions, 1215 flow [2022-04-18 16:32:32,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1523 transitions. [2022-04-18 16:32:32,974 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8767990788716177 [2022-04-18 16:32:32,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1523 transitions. [2022-04-18 16:32:32,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1523 transitions. [2022-04-18 16:32:32,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:32,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1523 transitions. [2022-04-18 16:32:32,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 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) [2022-04-18 16:32:32,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:32,977 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:32,977 INFO L186 Difference]: Start difference. First operand has 453 places, 444 transitions, 1084 flow. Second operand 3 states and 1523 transitions. [2022-04-18 16:32:32,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 446 transitions, 1215 flow [2022-04-18 16:32:32,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 446 transitions, 1211 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:32,983 INFO L242 Difference]: Finished difference. Result has 452 places, 443 transitions, 1082 flow [2022-04-18 16:32:32,984 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1082, PETRI_PLACES=452, PETRI_TRANSITIONS=443} [2022-04-18 16:32:32,985 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -99 predicate places. [2022-04-18 16:32:32,985 INFO L478 AbstractCegarLoop]: Abstraction has has 452 places, 443 transitions, 1082 flow [2022-04-18 16:32:32,985 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 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) [2022-04-18 16:32:32,985 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:32,986 INFO L255 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] [2022-04-18 16:32:32,986 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-04-18 16:32:32,986 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting thread4Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:32,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:32,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1956428430, now seen corresponding path program 1 times [2022-04-18 16:32:32,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:32,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478212604] [2022-04-18 16:32:32,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:32,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:33,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:33,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478212604] [2022-04-18 16:32:33,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478212604] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:33,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:33,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:33,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99523668] [2022-04-18 16:32:33,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:33,016 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:33,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:33,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:33,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:33,018 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:33,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 443 transitions, 1082 flow. Second operand has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 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) [2022-04-18 16:32:33,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:33,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:33,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:33,744 INFO L129 PetriNetUnfolder]: 404/3534 cut-off events. [2022-04-18 16:32:33,744 INFO L130 PetriNetUnfolder]: For 450/462 co-relation queries the response was YES. [2022-04-18 16:32:33,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5134 conditions, 3534 events. 404/3534 cut-off events. For 450/462 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 33936 event pairs, 294 based on Foata normal form. 0/3361 useless extension candidates. Maximal degree in co-relation 4748. Up to 779 conditions per place. [2022-04-18 16:32:33,837 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 61 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2022-04-18 16:32:33,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 445 transitions, 1215 flow [2022-04-18 16:32:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2022-04-18 16:32:33,839 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8773747841105354 [2022-04-18 16:32:33,840 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1524 transitions. [2022-04-18 16:32:33,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1524 transitions. [2022-04-18 16:32:33,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:33,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1524 transitions. [2022-04-18 16:32:33,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 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) [2022-04-18 16:32:33,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:33,843 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:33,843 INFO L186 Difference]: Start difference. First operand has 452 places, 443 transitions, 1082 flow. Second operand 3 states and 1524 transitions. [2022-04-18 16:32:33,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 445 transitions, 1215 flow [2022-04-18 16:32:33,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 445 transitions, 1211 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:33,854 INFO L242 Difference]: Finished difference. Result has 451 places, 442 transitions, 1080 flow [2022-04-18 16:32:33,855 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1080, PETRI_PLACES=451, PETRI_TRANSITIONS=442} [2022-04-18 16:32:33,855 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -100 predicate places. [2022-04-18 16:32:33,856 INFO L478 AbstractCegarLoop]: Abstraction has has 451 places, 442 transitions, 1080 flow [2022-04-18 16:32:33,856 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 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) [2022-04-18 16:32:33,856 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:33,856 INFO L255 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] [2022-04-18 16:32:33,856 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-04-18 16:32:33,857 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash -659140815, now seen corresponding path program 1 times [2022-04-18 16:32:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:33,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667950436] [2022-04-18 16:32:33,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:33,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:33,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:33,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667950436] [2022-04-18 16:32:33,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667950436] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:33,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:33,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:33,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216531626] [2022-04-18 16:32:33,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:33,884 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:33,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:33,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:33,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:33,886 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:33,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 442 transitions, 1080 flow. Second operand has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 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) [2022-04-18 16:32:33,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:33,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:33,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:34,691 INFO L129 PetriNetUnfolder]: 561/4314 cut-off events. [2022-04-18 16:32:34,691 INFO L130 PetriNetUnfolder]: For 176/191 co-relation queries the response was YES. [2022-04-18 16:32:34,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6721 conditions, 4314 events. 561/4314 cut-off events. For 176/191 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 42927 event pairs, 424 based on Foata normal form. 0/4140 useless extension candidates. Maximal degree in co-relation 6385. Up to 993 conditions per place. [2022-04-18 16:32:34,801 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 61 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2022-04-18 16:32:34,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 444 transitions, 1213 flow [2022-04-18 16:32:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2022-04-18 16:32:34,802 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8721934369602763 [2022-04-18 16:32:34,802 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1515 transitions. [2022-04-18 16:32:34,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1515 transitions. [2022-04-18 16:32:34,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:34,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1515 transitions. [2022-04-18 16:32:34,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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) [2022-04-18 16:32:34,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:34,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:34,806 INFO L186 Difference]: Start difference. First operand has 451 places, 442 transitions, 1080 flow. Second operand 3 states and 1515 transitions. [2022-04-18 16:32:34,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 444 transitions, 1213 flow [2022-04-18 16:32:34,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 444 transitions, 1209 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:34,814 INFO L242 Difference]: Finished difference. Result has 450 places, 441 transitions, 1078 flow [2022-04-18 16:32:34,814 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1078, PETRI_PLACES=450, PETRI_TRANSITIONS=441} [2022-04-18 16:32:34,815 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -101 predicate places. [2022-04-18 16:32:34,815 INFO L478 AbstractCegarLoop]: Abstraction has has 450 places, 441 transitions, 1078 flow [2022-04-18 16:32:34,815 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 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) [2022-04-18 16:32:34,815 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:34,815 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:34,816 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-04-18 16:32:34,816 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:34,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:34,816 INFO L85 PathProgramCache]: Analyzing trace with hash -122990795, now seen corresponding path program 1 times [2022-04-18 16:32:34,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:34,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192062864] [2022-04-18 16:32:34,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:34,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:34,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:34,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192062864] [2022-04-18 16:32:34,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192062864] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:34,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:34,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424790934] [2022-04-18 16:32:34,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:34,844 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:34,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:34,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:34,846 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:34,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 441 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 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) [2022-04-18 16:32:34,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:34,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:34,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:35,753 INFO L129 PetriNetUnfolder]: 517/4145 cut-off events. [2022-04-18 16:32:35,753 INFO L130 PetriNetUnfolder]: For 382/406 co-relation queries the response was YES. [2022-04-18 16:32:35,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6276 conditions, 4145 events. 517/4145 cut-off events. For 382/406 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 41607 event pairs, 383 based on Foata normal form. 0/3968 useless extension candidates. Maximal degree in co-relation 6197. Up to 1006 conditions per place. [2022-04-18 16:32:35,867 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2022-04-18 16:32:35,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 443 transitions, 1215 flow [2022-04-18 16:32:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1516 transitions. [2022-04-18 16:32:35,869 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.872769142199194 [2022-04-18 16:32:35,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1516 transitions. [2022-04-18 16:32:35,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1516 transitions. [2022-04-18 16:32:35,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:35,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1516 transitions. [2022-04-18 16:32:35,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 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) [2022-04-18 16:32:35,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:35,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:35,874 INFO L186 Difference]: Start difference. First operand has 450 places, 441 transitions, 1078 flow. Second operand 3 states and 1516 transitions. [2022-04-18 16:32:35,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 443 transitions, 1215 flow [2022-04-18 16:32:35,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 443 transitions, 1211 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:35,883 INFO L242 Difference]: Finished difference. Result has 449 places, 440 transitions, 1076 flow [2022-04-18 16:32:35,884 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1076, PETRI_PLACES=449, PETRI_TRANSITIONS=440} [2022-04-18 16:32:35,884 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -102 predicate places. [2022-04-18 16:32:35,885 INFO L478 AbstractCegarLoop]: Abstraction has has 449 places, 440 transitions, 1076 flow [2022-04-18 16:32:35,885 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 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) [2022-04-18 16:32:35,885 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:35,885 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:35,885 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-04-18 16:32:35,885 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:35,886 INFO L85 PathProgramCache]: Analyzing trace with hash 980368019, now seen corresponding path program 1 times [2022-04-18 16:32:35,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:35,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95599089] [2022-04-18 16:32:35,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:35,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:36,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:36,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95599089] [2022-04-18 16:32:36,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95599089] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:36,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:36,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:36,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457342679] [2022-04-18 16:32:36,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:36,004 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:36,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:36,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:36,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:36,007 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-04-18 16:32:36,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 440 transitions, 1076 flow. Second operand has 6 states, 6 states have (on average 539.1666666666666) internal successors, (3235), 6 states have internal predecessors, (3235), 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) [2022-04-18 16:32:36,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:36,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-04-18 16:32:36,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:36,484 INFO L129 PetriNetUnfolder]: 88/2506 cut-off events. [2022-04-18 16:32:36,484 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-04-18 16:32:36,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3232 conditions, 2506 events. 88/2506 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 20322 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 3048. Up to 108 conditions per place. [2022-04-18 16:32:36,538 INFO L132 encePairwiseOnDemand]: 574/579 looper letters, 27 selfloop transitions, 4 changer transitions 0/439 dead transitions. [2022-04-18 16:32:36,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 439 transitions, 1136 flow [2022-04-18 16:32:36,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3236 transitions. [2022-04-18 16:32:36,541 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9314910765687968 [2022-04-18 16:32:36,541 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3236 transitions. [2022-04-18 16:32:36,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3236 transitions. [2022-04-18 16:32:36,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:36,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3236 transitions. [2022-04-18 16:32:36,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.3333333333334) internal successors, (3236), 6 states have internal predecessors, (3236), 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) [2022-04-18 16:32:36,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:36,547 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 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) [2022-04-18 16:32:36,547 INFO L186 Difference]: Start difference. First operand has 449 places, 440 transitions, 1076 flow. Second operand 6 states and 3236 transitions. [2022-04-18 16:32:36,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 439 transitions, 1136 flow [2022-04-18 16:32:36,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 439 transitions, 1132 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:36,554 INFO L242 Difference]: Finished difference. Result has 451 places, 439 transitions, 1078 flow [2022-04-18 16:32:36,554 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1078, PETRI_PLACES=451, PETRI_TRANSITIONS=439} [2022-04-18 16:32:36,555 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -100 predicate places. [2022-04-18 16:32:36,555 INFO L478 AbstractCegarLoop]: Abstraction has has 451 places, 439 transitions, 1078 flow [2022-04-18 16:32:36,555 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 539.1666666666666) internal successors, (3235), 6 states have internal predecessors, (3235), 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) [2022-04-18 16:32:36,556 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:36,556 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:36,556 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-04-18 16:32:36,556 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:36,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:36,556 INFO L85 PathProgramCache]: Analyzing trace with hash 381157228, now seen corresponding path program 1 times [2022-04-18 16:32:36,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:36,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45229558] [2022-04-18 16:32:36,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:36,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:36,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:36,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45229558] [2022-04-18 16:32:36,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45229558] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:36,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:36,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:36,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061938697] [2022-04-18 16:32:36,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:36,584 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:36,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:36,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:36,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:36,586 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:36,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 439 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 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) [2022-04-18 16:32:36,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:36,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:36,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:37,685 INFO L129 PetriNetUnfolder]: 941/5014 cut-off events. [2022-04-18 16:32:37,686 INFO L130 PetriNetUnfolder]: For 490/511 co-relation queries the response was YES. [2022-04-18 16:32:37,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8767 conditions, 5014 events. 941/5014 cut-off events. For 490/511 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 51358 event pairs, 776 based on Foata normal form. 0/4858 useless extension candidates. Maximal degree in co-relation 8737. Up to 2000 conditions per place. [2022-04-18 16:32:37,822 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 59 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2022-04-18 16:32:37,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 441 transitions, 1207 flow [2022-04-18 16:32:37,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1522 transitions. [2022-04-18 16:32:37,824 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8762233736327001 [2022-04-18 16:32:37,824 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1522 transitions. [2022-04-18 16:32:37,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1522 transitions. [2022-04-18 16:32:37,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:37,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1522 transitions. [2022-04-18 16:32:37,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 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) [2022-04-18 16:32:37,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:37,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:37,826 INFO L186 Difference]: Start difference. First operand has 451 places, 439 transitions, 1078 flow. Second operand 3 states and 1522 transitions. [2022-04-18 16:32:37,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 441 transitions, 1207 flow [2022-04-18 16:32:37,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 441 transitions, 1200 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:37,834 INFO L242 Difference]: Finished difference. Result has 448 places, 438 transitions, 1073 flow [2022-04-18 16:32:37,835 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=448, PETRI_TRANSITIONS=438} [2022-04-18 16:32:37,835 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -103 predicate places. [2022-04-18 16:32:37,835 INFO L478 AbstractCegarLoop]: Abstraction has has 448 places, 438 transitions, 1073 flow [2022-04-18 16:32:37,836 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 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) [2022-04-18 16:32:37,836 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:37,836 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:37,836 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-04-18 16:32:37,836 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting thread4Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:37,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash 288525010, now seen corresponding path program 1 times [2022-04-18 16:32:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:37,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472892567] [2022-04-18 16:32:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:37,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472892567] [2022-04-18 16:32:37,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472892567] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:37,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:37,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:37,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635783500] [2022-04-18 16:32:37,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:37,908 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:37,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:37,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:37,912 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:37,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 438 transitions, 1073 flow. Second operand has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 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) [2022-04-18 16:32:37,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:37,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:37,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:38,688 INFO L129 PetriNetUnfolder]: 398/3486 cut-off events. [2022-04-18 16:32:38,688 INFO L130 PetriNetUnfolder]: For 444/456 co-relation queries the response was YES. [2022-04-18 16:32:38,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5073 conditions, 3486 events. 398/3486 cut-off events. For 444/456 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 33421 event pairs, 288 based on Foata normal form. 0/3355 useless extension candidates. Maximal degree in co-relation 4879. Up to 763 conditions per place. [2022-04-18 16:32:38,768 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 60 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2022-04-18 16:32:38,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 440 transitions, 1204 flow [2022-04-18 16:32:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1523 transitions. [2022-04-18 16:32:38,769 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8767990788716177 [2022-04-18 16:32:38,769 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1523 transitions. [2022-04-18 16:32:38,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1523 transitions. [2022-04-18 16:32:38,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:38,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1523 transitions. [2022-04-18 16:32:38,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 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) [2022-04-18 16:32:38,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:38,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:38,776 INFO L186 Difference]: Start difference. First operand has 448 places, 438 transitions, 1073 flow. Second operand 3 states and 1523 transitions. [2022-04-18 16:32:38,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 440 transitions, 1204 flow [2022-04-18 16:32:38,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 440 transitions, 1200 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:38,786 INFO L242 Difference]: Finished difference. Result has 447 places, 437 transitions, 1071 flow [2022-04-18 16:32:38,787 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=447, PETRI_TRANSITIONS=437} [2022-04-18 16:32:38,788 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -104 predicate places. [2022-04-18 16:32:38,788 INFO L478 AbstractCegarLoop]: Abstraction has has 447 places, 437 transitions, 1071 flow [2022-04-18 16:32:38,789 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 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) [2022-04-18 16:32:38,789 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:38,789 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:38,789 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-04-18 16:32:38,789 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting thread3Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:38,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:38,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1795052744, now seen corresponding path program 1 times [2022-04-18 16:32:38,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:38,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897691461] [2022-04-18 16:32:38,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:38,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:38,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:38,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897691461] [2022-04-18 16:32:38,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897691461] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:38,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:38,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:38,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975298802] [2022-04-18 16:32:38,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:38,831 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:38,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:38,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:38,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:38,833 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-04-18 16:32:38,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 437 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 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) [2022-04-18 16:32:38,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:38,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-04-18 16:32:38,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:39,741 INFO L129 PetriNetUnfolder]: 508/4090 cut-off events. [2022-04-18 16:32:39,741 INFO L130 PetriNetUnfolder]: For 387/411 co-relation queries the response was YES. [2022-04-18 16:32:39,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6212 conditions, 4090 events. 508/4090 cut-off events. For 387/411 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 40747 event pairs, 373 based on Foata normal form. 0/3959 useless extension candidates. Maximal degree in co-relation 6006. Up to 984 conditions per place. [2022-04-18 16:32:39,849 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2022-04-18 16:32:39,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 439 transitions, 1206 flow [2022-04-18 16:32:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2022-04-18 16:32:39,851 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8721934369602763 [2022-04-18 16:32:39,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1515 transitions. [2022-04-18 16:32:39,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1515 transitions. [2022-04-18 16:32:39,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:39,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1515 transitions. [2022-04-18 16:32:39,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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) [2022-04-18 16:32:39,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:39,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:39,854 INFO L186 Difference]: Start difference. First operand has 447 places, 437 transitions, 1071 flow. Second operand 3 states and 1515 transitions. [2022-04-18 16:32:39,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 439 transitions, 1206 flow [2022-04-18 16:32:39,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 439 transitions, 1202 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:39,864 INFO L242 Difference]: Finished difference. Result has 446 places, 436 transitions, 1069 flow [2022-04-18 16:32:39,865 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1069, PETRI_PLACES=446, PETRI_TRANSITIONS=436} [2022-04-18 16:32:39,865 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -105 predicate places. [2022-04-18 16:32:39,865 INFO L478 AbstractCegarLoop]: Abstraction has has 446 places, 436 transitions, 1069 flow [2022-04-18 16:32:39,866 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 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) [2022-04-18 16:32:39,866 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:39,866 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:39,866 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-04-18 16:32:39,867 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting thread4Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-04-18 16:32:39,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:39,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1117798118, now seen corresponding path program 1 times [2022-04-18 16:32:39,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:39,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107644634] [2022-04-18 16:32:39,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:39,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:39,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:39,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107644634] [2022-04-18 16:32:39,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107644634] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:39,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:39,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:39,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049216989] [2022-04-18 16:32:39,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:39,900 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:39,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:39,902 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-04-18 16:32:39,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 436 transitions, 1069 flow. Second operand has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 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) [2022-04-18 16:32:39,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:39,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-04-18 16:32:39,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:40,583 INFO L129 PetriNetUnfolder]: 388/3456 cut-off events. [2022-04-18 16:32:40,583 INFO L130 PetriNetUnfolder]: For 434/446 co-relation queries the response was YES. [2022-04-18 16:32:40,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5011 conditions, 3456 events. 388/3456 cut-off events. For 434/446 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 33014 event pairs, 276 based on Foata normal form. 0/3345 useless extension candidates. Maximal degree in co-relation 4909. Up to 743 conditions per place. [2022-04-18 16:32:40,654 INFO L132 encePairwiseOnDemand]: 576/579 looper letters, 0 selfloop transitions, 0 changer transitions 438/438 dead transitions. [2022-04-18 16:32:40,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 438 transitions, 1198 flow [2022-04-18 16:32:40,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1522 transitions. [2022-04-18 16:32:40,656 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8762233736327001 [2022-04-18 16:32:40,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1522 transitions. [2022-04-18 16:32:40,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1522 transitions. [2022-04-18 16:32:40,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:40,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1522 transitions. [2022-04-18 16:32:40,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 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) [2022-04-18 16:32:40,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:40,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 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) [2022-04-18 16:32:40,659 INFO L186 Difference]: Start difference. First operand has 446 places, 436 transitions, 1069 flow. Second operand 3 states and 1522 transitions. [2022-04-18 16:32:40,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 438 transitions, 1198 flow [2022-04-18 16:32:40,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 438 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:40,664 INFO L242 Difference]: Finished difference. Result has 445 places, 0 transitions, 0 flow [2022-04-18 16:32:40,665 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=445, PETRI_TRANSITIONS=0} [2022-04-18 16:32:40,666 INFO L335 CegarLoopForPetriNet]: 551 programPoint places, -106 predicate places. [2022-04-18 16:32:40,666 INFO L478 AbstractCegarLoop]: Abstraction has has 445 places, 0 transitions, 0 flow [2022-04-18 16:32:40,666 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 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) [2022-04-18 16:32:40,669 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (206 of 207 remaining) [2022-04-18 16:32:40,669 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (205 of 207 remaining) [2022-04-18 16:32:40,669 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (204 of 207 remaining) [2022-04-18 16:32:40,670 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (203 of 207 remaining) [2022-04-18 16:32:40,670 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (202 of 207 remaining) [2022-04-18 16:32:40,670 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (201 of 207 remaining) [2022-04-18 16:32:40,670 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (200 of 207 remaining) [2022-04-18 16:32:40,670 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (199 of 207 remaining) [2022-04-18 16:32:40,671 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (198 of 207 remaining) [2022-04-18 16:32:40,671 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (197 of 207 remaining) [2022-04-18 16:32:40,671 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (196 of 207 remaining) [2022-04-18 16:32:40,671 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (195 of 207 remaining) [2022-04-18 16:32:40,671 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (194 of 207 remaining) [2022-04-18 16:32:40,672 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (193 of 207 remaining) [2022-04-18 16:32:40,672 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (192 of 207 remaining) [2022-04-18 16:32:40,672 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (191 of 207 remaining) [2022-04-18 16:32:40,672 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (190 of 207 remaining) [2022-04-18 16:32:40,673 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (189 of 207 remaining) [2022-04-18 16:32:40,673 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (188 of 207 remaining) [2022-04-18 16:32:40,673 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (187 of 207 remaining) [2022-04-18 16:32:40,673 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (186 of 207 remaining) [2022-04-18 16:32:40,673 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (185 of 207 remaining) [2022-04-18 16:32:40,674 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (184 of 207 remaining) [2022-04-18 16:32:40,674 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (183 of 207 remaining) [2022-04-18 16:32:40,674 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (182 of 207 remaining) [2022-04-18 16:32:40,674 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (181 of 207 remaining) [2022-04-18 16:32:40,674 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (180 of 207 remaining) [2022-04-18 16:32:40,675 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (179 of 207 remaining) [2022-04-18 16:32:40,675 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (178 of 207 remaining) [2022-04-18 16:32:40,675 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (177 of 207 remaining) [2022-04-18 16:32:40,675 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (176 of 207 remaining) [2022-04-18 16:32:40,676 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (175 of 207 remaining) [2022-04-18 16:32:40,676 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (174 of 207 remaining) [2022-04-18 16:32:40,676 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (173 of 207 remaining) [2022-04-18 16:32:40,676 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (172 of 207 remaining) [2022-04-18 16:32:40,676 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (171 of 207 remaining) [2022-04-18 16:32:40,677 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (170 of 207 remaining) [2022-04-18 16:32:40,677 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (169 of 207 remaining) [2022-04-18 16:32:40,677 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (168 of 207 remaining) [2022-04-18 16:32:40,677 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (167 of 207 remaining) [2022-04-18 16:32:40,677 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (166 of 207 remaining) [2022-04-18 16:32:40,678 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (165 of 207 remaining) [2022-04-18 16:32:40,678 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (164 of 207 remaining) [2022-04-18 16:32:40,678 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (163 of 207 remaining) [2022-04-18 16:32:40,678 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (162 of 207 remaining) [2022-04-18 16:32:40,678 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (161 of 207 remaining) [2022-04-18 16:32:40,679 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (160 of 207 remaining) [2022-04-18 16:32:40,679 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (159 of 207 remaining) [2022-04-18 16:32:40,679 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (158 of 207 remaining) [2022-04-18 16:32:40,679 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (157 of 207 remaining) [2022-04-18 16:32:40,680 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (156 of 207 remaining) [2022-04-18 16:32:40,680 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (155 of 207 remaining) [2022-04-18 16:32:40,680 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (154 of 207 remaining) [2022-04-18 16:32:40,680 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (153 of 207 remaining) [2022-04-18 16:32:40,680 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (152 of 207 remaining) [2022-04-18 16:32:40,681 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (151 of 207 remaining) [2022-04-18 16:32:40,681 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (150 of 207 remaining) [2022-04-18 16:32:40,681 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (149 of 207 remaining) [2022-04-18 16:32:40,681 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (148 of 207 remaining) [2022-04-18 16:32:40,681 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (147 of 207 remaining) [2022-04-18 16:32:40,682 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (146 of 207 remaining) [2022-04-18 16:32:40,682 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (145 of 207 remaining) [2022-04-18 16:32:40,682 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (144 of 207 remaining) [2022-04-18 16:32:40,682 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (143 of 207 remaining) [2022-04-18 16:32:40,682 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (142 of 207 remaining) [2022-04-18 16:32:40,683 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (141 of 207 remaining) [2022-04-18 16:32:40,683 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (140 of 207 remaining) [2022-04-18 16:32:40,683 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (139 of 207 remaining) [2022-04-18 16:32:40,683 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (138 of 207 remaining) [2022-04-18 16:32:40,684 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (137 of 207 remaining) [2022-04-18 16:32:40,684 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (136 of 207 remaining) [2022-04-18 16:32:40,684 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (135 of 207 remaining) [2022-04-18 16:32:40,684 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (134 of 207 remaining) [2022-04-18 16:32:40,684 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (133 of 207 remaining) [2022-04-18 16:32:40,685 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (132 of 207 remaining) [2022-04-18 16:32:40,685 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (131 of 207 remaining) [2022-04-18 16:32:40,685 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (130 of 207 remaining) [2022-04-18 16:32:40,685 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (129 of 207 remaining) [2022-04-18 16:32:40,685 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (128 of 207 remaining) [2022-04-18 16:32:40,686 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (127 of 207 remaining) [2022-04-18 16:32:40,686 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (126 of 207 remaining) [2022-04-18 16:32:40,686 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (125 of 207 remaining) [2022-04-18 16:32:40,686 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (124 of 207 remaining) [2022-04-18 16:32:40,686 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (123 of 207 remaining) [2022-04-18 16:32:40,687 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (122 of 207 remaining) [2022-04-18 16:32:40,687 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (121 of 207 remaining) [2022-04-18 16:32:40,687 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (120 of 207 remaining) [2022-04-18 16:32:40,687 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (119 of 207 remaining) [2022-04-18 16:32:40,687 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 207 remaining) [2022-04-18 16:32:40,688 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (117 of 207 remaining) [2022-04-18 16:32:40,688 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 207 remaining) [2022-04-18 16:32:40,688 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (115 of 207 remaining) [2022-04-18 16:32:40,688 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (114 of 207 remaining) [2022-04-18 16:32:40,688 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (113 of 207 remaining) [2022-04-18 16:32:40,689 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (112 of 207 remaining) [2022-04-18 16:32:40,689 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (111 of 207 remaining) [2022-04-18 16:32:40,689 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (110 of 207 remaining) [2022-04-18 16:32:40,689 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (109 of 207 remaining) [2022-04-18 16:32:40,689 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (108 of 207 remaining) [2022-04-18 16:32:40,690 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (107 of 207 remaining) [2022-04-18 16:32:40,690 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (106 of 207 remaining) [2022-04-18 16:32:40,690 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (105 of 207 remaining) [2022-04-18 16:32:40,690 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (104 of 207 remaining) [2022-04-18 16:32:40,690 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (103 of 207 remaining) [2022-04-18 16:32:40,690 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (102 of 207 remaining) [2022-04-18 16:32:40,691 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (101 of 207 remaining) [2022-04-18 16:32:40,691 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (100 of 207 remaining) [2022-04-18 16:32:40,691 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (99 of 207 remaining) [2022-04-18 16:32:40,691 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (98 of 207 remaining) [2022-04-18 16:32:40,691 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (97 of 207 remaining) [2022-04-18 16:32:40,691 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (96 of 207 remaining) [2022-04-18 16:32:40,692 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (95 of 207 remaining) [2022-04-18 16:32:40,692 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (94 of 207 remaining) [2022-04-18 16:32:40,692 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (93 of 207 remaining) [2022-04-18 16:32:40,692 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (92 of 207 remaining) [2022-04-18 16:32:40,692 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 207 remaining) [2022-04-18 16:32:40,692 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 207 remaining) [2022-04-18 16:32:40,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 207 remaining) [2022-04-18 16:32:40,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 207 remaining) [2022-04-18 16:32:40,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 207 remaining) [2022-04-18 16:32:40,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 207 remaining) [2022-04-18 16:32:40,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 207 remaining) [2022-04-18 16:32:40,693 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 207 remaining) [2022-04-18 16:32:40,694 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 207 remaining) [2022-04-18 16:32:40,694 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 207 remaining) [2022-04-18 16:32:40,694 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 207 remaining) [2022-04-18 16:32:40,694 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 207 remaining) [2022-04-18 16:32:40,694 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 207 remaining) [2022-04-18 16:32:40,695 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 207 remaining) [2022-04-18 16:32:40,695 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 207 remaining) [2022-04-18 16:32:40,695 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 207 remaining) [2022-04-18 16:32:40,695 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 207 remaining) [2022-04-18 16:32:40,695 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 207 remaining) [2022-04-18 16:32:40,695 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 207 remaining) [2022-04-18 16:32:40,696 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 207 remaining) [2022-04-18 16:32:40,696 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 207 remaining) [2022-04-18 16:32:40,696 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 207 remaining) [2022-04-18 16:32:40,696 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 207 remaining) [2022-04-18 16:32:40,696 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 207 remaining) [2022-04-18 16:32:40,696 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 207 remaining) [2022-04-18 16:32:40,697 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 207 remaining) [2022-04-18 16:32:40,697 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 207 remaining) [2022-04-18 16:32:40,697 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 207 remaining) [2022-04-18 16:32:40,697 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 207 remaining) [2022-04-18 16:32:40,697 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 207 remaining) [2022-04-18 16:32:40,697 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 207 remaining) [2022-04-18 16:32:40,698 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 207 remaining) [2022-04-18 16:32:40,698 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 207 remaining) [2022-04-18 16:32:40,698 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (58 of 207 remaining) [2022-04-18 16:32:40,698 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 207 remaining) [2022-04-18 16:32:40,698 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 207 remaining) [2022-04-18 16:32:40,698 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (55 of 207 remaining) [2022-04-18 16:32:40,699 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (54 of 207 remaining) [2022-04-18 16:32:40,699 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (53 of 207 remaining) [2022-04-18 16:32:40,699 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (52 of 207 remaining) [2022-04-18 16:32:40,699 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (51 of 207 remaining) [2022-04-18 16:32:40,699 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (50 of 207 remaining) [2022-04-18 16:32:40,699 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (49 of 207 remaining) [2022-04-18 16:32:40,700 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (48 of 207 remaining) [2022-04-18 16:32:40,700 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (47 of 207 remaining) [2022-04-18 16:32:40,700 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (46 of 207 remaining) [2022-04-18 16:32:40,700 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 207 remaining) [2022-04-18 16:32:40,700 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 207 remaining) [2022-04-18 16:32:40,700 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 207 remaining) [2022-04-18 16:32:40,701 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 207 remaining) [2022-04-18 16:32:40,701 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 207 remaining) [2022-04-18 16:32:40,701 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 207 remaining) [2022-04-18 16:32:40,701 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 207 remaining) [2022-04-18 16:32:40,701 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 207 remaining) [2022-04-18 16:32:40,701 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (37 of 207 remaining) [2022-04-18 16:32:40,702 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (36 of 207 remaining) [2022-04-18 16:32:40,702 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (35 of 207 remaining) [2022-04-18 16:32:40,702 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (34 of 207 remaining) [2022-04-18 16:32:40,702 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (33 of 207 remaining) [2022-04-18 16:32:40,702 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (32 of 207 remaining) [2022-04-18 16:32:40,702 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (31 of 207 remaining) [2022-04-18 16:32:40,703 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (30 of 207 remaining) [2022-04-18 16:32:40,703 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (29 of 207 remaining) [2022-04-18 16:32:40,703 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (28 of 207 remaining) [2022-04-18 16:32:40,703 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (27 of 207 remaining) [2022-04-18 16:32:40,703 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (26 of 207 remaining) [2022-04-18 16:32:40,703 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (25 of 207 remaining) [2022-04-18 16:32:40,704 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (24 of 207 remaining) [2022-04-18 16:32:40,704 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (23 of 207 remaining) [2022-04-18 16:32:40,704 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 207 remaining) [2022-04-18 16:32:40,704 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 207 remaining) [2022-04-18 16:32:40,704 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 207 remaining) [2022-04-18 16:32:40,704 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 207 remaining) [2022-04-18 16:32:40,705 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 207 remaining) [2022-04-18 16:32:40,705 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (17 of 207 remaining) [2022-04-18 16:32:40,705 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (16 of 207 remaining) [2022-04-18 16:32:40,705 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (15 of 207 remaining) [2022-04-18 16:32:40,705 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (14 of 207 remaining) [2022-04-18 16:32:40,705 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (13 of 207 remaining) [2022-04-18 16:32:40,706 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (12 of 207 remaining) [2022-04-18 16:32:40,706 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (11 of 207 remaining) [2022-04-18 16:32:40,706 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (10 of 207 remaining) [2022-04-18 16:32:40,706 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (9 of 207 remaining) [2022-04-18 16:32:40,706 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (8 of 207 remaining) [2022-04-18 16:32:40,706 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (7 of 207 remaining) [2022-04-18 16:32:40,707 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (6 of 207 remaining) [2022-04-18 16:32:40,707 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (5 of 207 remaining) [2022-04-18 16:32:40,707 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (4 of 207 remaining) [2022-04-18 16:32:40,707 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (3 of 207 remaining) [2022-04-18 16:32:40,707 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (2 of 207 remaining) [2022-04-18 16:32:40,707 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (1 of 207 remaining) [2022-04-18 16:32:40,708 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (0 of 207 remaining) [2022-04-18 16:32:40,708 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-04-18 16:32:40,711 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:40,717 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:32:40,717 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:32:40,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:32:40 BasicIcfg [2022-04-18 16:32:40,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:32:40,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:32:40,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:32:40,722 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:32:40,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:31:51" (3/4) ... [2022-04-18 16:32:40,725 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:32:40,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:32:40,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:32:40,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:32:40,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-04-18 16:32:40,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-04-18 16:32:40,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:32:40,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:32:40,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:32:40,786 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:32:40,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:32:40,787 INFO L158 Benchmark]: Toolchain (without parser) took 49986.99ms. Allocated memory was 98.6MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 67.0MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 4.2GB. Max. memory is 16.1GB. [2022-04-18 16:32:40,788 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:32:40,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 72.7MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:32:40,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.79ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:32:40,789 INFO L158 Benchmark]: Boogie Preprocessor took 47.61ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:32:40,789 INFO L158 Benchmark]: RCFGBuilder took 669.34ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 40.0MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-04-18 16:32:40,789 INFO L158 Benchmark]: TraceAbstraction took 48854.22ms. Allocated memory was 98.6MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 39.7MB in the beginning and 3.5GB in the end (delta: -3.5GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. [2022-04-18 16:32:40,789 INFO L158 Benchmark]: Witness Printer took 64.94ms. Allocated memory is still 7.7GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:32:40,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 72.7MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.79ms. Allocated memory is still 98.6MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.61ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.34ms. Allocated memory is still 98.6MB. Free memory was 68.5MB in the beginning and 40.0MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 48854.22ms. Allocated memory was 98.6MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 39.7MB in the beginning and 3.5GB in the end (delta: -3.5GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. * Witness Printer took 64.94ms. Allocated memory is still 7.7GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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 9 procedures, 946 locations, 207 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: 48.6s, OverallIterations: 43, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 45.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 288 mSDsluCounter, 2052 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 300 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2880 IncrementalHoareTripleChecker+Invalid, 3093 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 2043 mSDtfsCounter, 2880 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1126occurred in iteration=9, InterpolantAutomatonStates: 143, 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, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 4495 NumberOfCodeBlocks, 4495 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 4452 ConstructedInterpolants, 0 QuantifiedInterpolants, 4854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 43 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 111 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:32:40,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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