./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-node-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/weaver/chl-node-trans.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 b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:52:47,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:52:47,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:52:47,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:52:47,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:52:47,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:52:47,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:52:47,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:52:47,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:52:47,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:52:47,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:52:47,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:52:47,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:52:47,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:52:47,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:52:47,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:52:47,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:52:47,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:52:47,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:52:47,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:52:47,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:52:47,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:52:47,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:52:47,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:52:47,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:52:47,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:52:47,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:52:47,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:52:47,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:52:47,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:52:47,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:52:47,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:52:47,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:52:47,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:52:47,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:52:47,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:52:47,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:52:47,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:52:47,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:52:47,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:52:47,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:52:47,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:52:47,808 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:52:47,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:52:47,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:52:47,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:52:47,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:52:47,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:52:47,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:52:47,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:52:47,812 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:52:47,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:52:47,813 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:52:47,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:52:47,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:52:47,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:52:47,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:52:47,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:52:47,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:52:47,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:52:47,814 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:52:47,815 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:52:47,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:52:47,815 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:52:47,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:52:47,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:52:47,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:52:47,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:52:47,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:52:47,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:52:47,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:52:47,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:52:47,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:52:47,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:52:47,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:52:47,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:52:47,818 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:52:47,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:52:47,818 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:52:47,818 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:52:48,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:52:48,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:52:48,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:52:48,150 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:52:48,150 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:52:48,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-node-trans.wvr.c [2023-08-29 18:52:49,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:52:49,551 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:52:49,552 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-trans.wvr.c [2023-08-29 18:52:49,558 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23f36cab/1057aa2eeac040ee93c56ce2ead94bb0/FLAGc3f333ef8 [2023-08-29 18:52:49,569 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a23f36cab/1057aa2eeac040ee93c56ce2ead94bb0 [2023-08-29 18:52:49,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:52:49,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:52:49,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:52:49,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:52:49,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:52:49,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:49,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ad5812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49, skipping insertion in model container [2023-08-29 18:52:49,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:49,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:52:49,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:52:49,854 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-trans.wvr.c[3945,3958] [2023-08-29 18:52:49,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:52:49,885 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:52:49,944 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-trans.wvr.c[3945,3958] [2023-08-29 18:52:49,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:52:49,973 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:52:49,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49 WrapperNode [2023-08-29 18:52:49,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:52:49,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:52:49,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:52:49,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:52:49,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,071 INFO L138 Inliner]: procedures = 27, calls = 66, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 813 [2023-08-29 18:52:50,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:52:50,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:52:50,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:52:50,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:52:50,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:52:50,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:52:50,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:52:50,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:52:50,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (1/1) ... [2023-08-29 18:52:50,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:52:50,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:52:50,234 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) [2023-08-29 18:52:50,260 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 [2023-08-29 18:52:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:52:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:52:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:52:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:52:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:52:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:52:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:52:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:52:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 18:52:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 18:52:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:52:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 18:52:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:52:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:52:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:52:50,279 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:52:50,482 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:52:50,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:52:51,344 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:52:51,359 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:52:51,359 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 18:52:51,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:51 BoogieIcfgContainer [2023-08-29 18:52:51,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:52:51,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:52:51,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:52:51,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:52:51,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:52:49" (1/3) ... [2023-08-29 18:52:51,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28809ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:52:51, skipping insertion in model container [2023-08-29 18:52:51,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:49" (2/3) ... [2023-08-29 18:52:51,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28809ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:52:51, skipping insertion in model container [2023-08-29 18:52:51,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:51" (3/3) ... [2023-08-29 18:52:51,376 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2023-08-29 18:52:51,384 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:52:51,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:52:51,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 117 error locations. [2023-08-29 18:52:51,419 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:52:51,623 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 18:52:51,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 967 places, 1005 transitions, 2034 flow [2023-08-29 18:52:52,060 INFO L130 PetriNetUnfolder]: 48/1002 cut-off events. [2023-08-29 18:52:52,060 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:52:52,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 1002 events. 48/1002 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2142 event pairs, 0 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 795. Up to 2 conditions per place. [2023-08-29 18:52:52,078 INFO L82 GeneralOperation]: Start removeDead. Operand has 967 places, 1005 transitions, 2034 flow [2023-08-29 18:52:52,097 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 945 places, 981 transitions, 1980 flow [2023-08-29 18:52:52,100 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:52:52,113 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 945 places, 981 transitions, 1980 flow [2023-08-29 18:52:52,117 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 945 places, 981 transitions, 1980 flow [2023-08-29 18:52:52,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 945 places, 981 transitions, 1980 flow [2023-08-29 18:52:52,396 INFO L130 PetriNetUnfolder]: 46/981 cut-off events. [2023-08-29 18:52:52,396 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:52:52,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 981 events. 46/981 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2129 event pairs, 0 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 795. Up to 2 conditions per place. [2023-08-29 18:52:52,451 INFO L119 LiptonReduction]: Number of co-enabled transitions 148920 [2023-08-29 18:53:14,929 INFO L134 LiptonReduction]: Checked pairs total: 1148505 [2023-08-29 18:53:14,930 INFO L136 LiptonReduction]: Total number of compositions: 975 [2023-08-29 18:53:14,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:53:14,952 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@ffe80f6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:53:14,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 195 error locations. [2023-08-29 18:53:14,954 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:53:14,954 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:53:14,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:14,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:53:14,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:14,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:14,960 INFO L85 PathProgramCache]: Analyzing trace with hash 3615, now seen corresponding path program 1 times [2023-08-29 18:53:14,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:14,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607349910] [2023-08-29 18:53:14,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:14,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:53:15,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:15,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607349910] [2023-08-29 18:53:15,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607349910] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:15,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:15,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:53:15,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421898125] [2023-08-29 18:53:15,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:15,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:53:15,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:15,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:53:15,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:53:15,119 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 969 out of 1980 [2023-08-29 18:53:15,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 318 transitions, 654 flow. Second operand has 2 states, 2 states have (on average 969.5) internal successors, (1939), 2 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:15,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:15,128 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 969 of 1980 [2023-08-29 18:53:15,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:20,228 INFO L130 PetriNetUnfolder]: 10619/35110 cut-off events. [2023-08-29 18:53:20,228 INFO L131 PetriNetUnfolder]: For 528/528 co-relation queries the response was YES. [2023-08-29 18:53:20,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50146 conditions, 35110 events. 10619/35110 cut-off events. For 528/528 co-relation queries the response was YES. Maximal size of possible extension queue 907. Compared 441706 event pairs, 8657 based on Foata normal form. 1862/30239 useless extension candidates. Maximal degree in co-relation 46698. Up to 14622 conditions per place. [2023-08-29 18:53:20,681 INFO L137 encePairwiseOnDemand]: 1922/1980 looper letters, 63 selfloop transitions, 0 changer transitions 1/260 dead transitions. [2023-08-29 18:53:20,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 260 transitions, 666 flow [2023-08-29 18:53:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:53:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:53:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2060 transitions. [2023-08-29 18:53:20,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5202020202020202 [2023-08-29 18:53:20,706 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2060 transitions. [2023-08-29 18:53:20,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2060 transitions. [2023-08-29 18:53:20,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:20,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2060 transitions. [2023-08-29 18:53:20,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1030.0) internal successors, (2060), 2 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:20,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1980.0) internal successors, (5940), 3 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:20,739 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1980.0) internal successors, (5940), 3 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:20,740 INFO L175 Difference]: Start difference. First operand has 316 places, 318 transitions, 654 flow. Second operand 2 states and 2060 transitions. [2023-08-29 18:53:20,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 260 transitions, 666 flow [2023-08-29 18:53:20,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 260 transitions, 654 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 18:53:20,771 INFO L231 Difference]: Finished difference. Result has 253 places, 259 transitions, 523 flow [2023-08-29 18:53:20,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=523, PETRI_PLACES=253, PETRI_TRANSITIONS=259} [2023-08-29 18:53:20,777 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -63 predicate places. [2023-08-29 18:53:20,777 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 259 transitions, 523 flow [2023-08-29 18:53:20,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 969.5) internal successors, (1939), 2 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:20,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:20,781 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:20,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:53:20,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:20,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:20,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1874885079, now seen corresponding path program 1 times [2023-08-29 18:53:20,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:20,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426361390] [2023-08-29 18:53:20,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:20,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:53:21,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:21,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426361390] [2023-08-29 18:53:21,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426361390] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:21,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:21,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:21,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45407149] [2023-08-29 18:53:21,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:21,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:21,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:21,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:21,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:21,101 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 956 out of 1980 [2023-08-29 18:53:21,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 259 transitions, 523 flow. Second operand has 3 states, 3 states have (on average 959.3333333333334) internal successors, (2878), 3 states have internal predecessors, (2878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:21,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:21,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 956 of 1980 [2023-08-29 18:53:21,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:25,422 INFO L130 PetriNetUnfolder]: 15683/51728 cut-off events. [2023-08-29 18:53:25,422 INFO L131 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2023-08-29 18:53:25,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73491 conditions, 51728 events. 15683/51728 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 1180. Compared 675023 event pairs, 9809 based on Foata normal form. 0/42123 useless extension candidates. Maximal degree in co-relation 73488. Up to 21526 conditions per place. [2023-08-29 18:53:25,773 INFO L137 encePairwiseOnDemand]: 1974/1980 looper letters, 85 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2023-08-29 18:53:25,773 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 273 transitions, 727 flow [2023-08-29 18:53:25,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2959 transitions. [2023-08-29 18:53:25,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4981481481481482 [2023-08-29 18:53:25,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2959 transitions. [2023-08-29 18:53:25,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2959 transitions. [2023-08-29 18:53:25,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:25,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2959 transitions. [2023-08-29 18:53:25,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 986.3333333333334) internal successors, (2959), 3 states have internal predecessors, (2959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:25,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:25,807 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:25,808 INFO L175 Difference]: Start difference. First operand has 253 places, 259 transitions, 523 flow. Second operand 3 states and 2959 transitions. [2023-08-29 18:53:25,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 273 transitions, 727 flow [2023-08-29 18:53:25,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 273 transitions, 727 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:25,815 INFO L231 Difference]: Finished difference. Result has 251 places, 257 transitions, 529 flow [2023-08-29 18:53:25,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=529, PETRI_PLACES=251, PETRI_TRANSITIONS=257} [2023-08-29 18:53:25,817 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -65 predicate places. [2023-08-29 18:53:25,817 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 257 transitions, 529 flow [2023-08-29 18:53:25,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 959.3333333333334) internal successors, (2878), 3 states have internal predecessors, (2878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:25,819 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:25,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:25,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:53:25,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:25,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:25,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2121631527, now seen corresponding path program 1 times [2023-08-29 18:53:25,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:25,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652909900] [2023-08-29 18:53:25,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:25,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:53:25,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:25,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652909900] [2023-08-29 18:53:25,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652909900] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:25,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:25,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:25,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363370682] [2023-08-29 18:53:25,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:25,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:25,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:25,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:25,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:25,977 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 1980 [2023-08-29 18:53:25,981 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 257 transitions, 529 flow. Second operand has 3 states, 3 states have (on average 941.3333333333334) internal successors, (2824), 3 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:25,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:25,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 1980 [2023-08-29 18:53:25,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:31,475 INFO L130 PetriNetUnfolder]: 21501/68558 cut-off events. [2023-08-29 18:53:31,475 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2023-08-29 18:53:31,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98557 conditions, 68558 events. 21501/68558 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 930288 event pairs, 18201 based on Foata normal form. 0/57192 useless extension candidates. Maximal degree in co-relation 98553. Up to 29802 conditions per place. [2023-08-29 18:53:32,058 INFO L137 encePairwiseOnDemand]: 1973/1980 looper letters, 73 selfloop transitions, 1 changer transitions 0/251 dead transitions. [2023-08-29 18:53:32,058 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 251 transitions, 665 flow [2023-08-29 18:53:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2894 transitions. [2023-08-29 18:53:32,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4872053872053872 [2023-08-29 18:53:32,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2894 transitions. [2023-08-29 18:53:32,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2894 transitions. [2023-08-29 18:53:32,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:32,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2894 transitions. [2023-08-29 18:53:32,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 964.6666666666666) internal successors, (2894), 3 states have internal predecessors, (2894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:32,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:32,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:32,093 INFO L175 Difference]: Start difference. First operand has 251 places, 257 transitions, 529 flow. Second operand 3 states and 2894 transitions. [2023-08-29 18:53:32,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 251 transitions, 665 flow [2023-08-29 18:53:32,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 251 transitions, 665 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:32,098 INFO L231 Difference]: Finished difference. Result has 247 places, 251 transitions, 519 flow [2023-08-29 18:53:32,098 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=519, PETRI_PLACES=247, PETRI_TRANSITIONS=251} [2023-08-29 18:53:32,100 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -69 predicate places. [2023-08-29 18:53:32,103 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 251 transitions, 519 flow [2023-08-29 18:53:32,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 941.3333333333334) internal successors, (2824), 3 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:32,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:32,105 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:32,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:53:32,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:32,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2086975213, now seen corresponding path program 1 times [2023-08-29 18:53:32,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:32,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870707825] [2023-08-29 18:53:32,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:32,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:53:32,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:32,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870707825] [2023-08-29 18:53:32,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870707825] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:32,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:32,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:32,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311070539] [2023-08-29 18:53:32,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:32,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:32,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:32,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:32,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:32,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 956 out of 1980 [2023-08-29 18:53:32,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 251 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 960.0) internal successors, (2880), 3 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:32,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:32,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 956 of 1980 [2023-08-29 18:53:32,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:36,886 INFO L130 PetriNetUnfolder]: 18039/57998 cut-off events. [2023-08-29 18:53:36,886 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2023-08-29 18:53:37,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83241 conditions, 57998 events. 18039/57998 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 1307. Compared 761240 event pairs, 4815 based on Foata normal form. 0/49261 useless extension candidates. Maximal degree in co-relation 83236. Up to 24829 conditions per place. [2023-08-29 18:53:37,299 INFO L137 encePairwiseOnDemand]: 1974/1980 looper letters, 93 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2023-08-29 18:53:37,299 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 273 transitions, 755 flow [2023-08-29 18:53:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2967 transitions. [2023-08-29 18:53:37,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4994949494949495 [2023-08-29 18:53:37,308 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2967 transitions. [2023-08-29 18:53:37,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2967 transitions. [2023-08-29 18:53:37,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:37,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2967 transitions. [2023-08-29 18:53:37,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 989.0) internal successors, (2967), 3 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:37,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:37,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:37,339 INFO L175 Difference]: Start difference. First operand has 247 places, 251 transitions, 519 flow. Second operand 3 states and 2967 transitions. [2023-08-29 18:53:37,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 273 transitions, 755 flow [2023-08-29 18:53:37,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 273 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:53:37,345 INFO L231 Difference]: Finished difference. Result has 245 places, 249 transitions, 524 flow [2023-08-29 18:53:37,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=245, PETRI_TRANSITIONS=249} [2023-08-29 18:53:37,347 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -71 predicate places. [2023-08-29 18:53:37,347 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 249 transitions, 524 flow [2023-08-29 18:53:37,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 960.0) internal successors, (2880), 3 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:37,348 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:37,348 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:37,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:53:37,348 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:37,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:37,349 INFO L85 PathProgramCache]: Analyzing trace with hash 166624085, now seen corresponding path program 1 times [2023-08-29 18:53:37,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:37,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416239704] [2023-08-29 18:53:37,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:37,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:53:37,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:37,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416239704] [2023-08-29 18:53:37,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416239704] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:37,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:37,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:37,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066181509] [2023-08-29 18:53:37,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:37,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:37,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:37,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:37,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:37,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 1980 [2023-08-29 18:53:37,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 249 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 942.0) internal successors, (2826), 3 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:37,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:37,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 1980 [2023-08-29 18:53:37,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:43,557 INFO L130 PetriNetUnfolder]: 27431/74635 cut-off events. [2023-08-29 18:53:43,557 INFO L131 PetriNetUnfolder]: For 799/799 co-relation queries the response was YES. [2023-08-29 18:53:43,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113910 conditions, 74635 events. 27431/74635 cut-off events. For 799/799 co-relation queries the response was YES. Maximal size of possible extension queue 1600. Compared 943292 event pairs, 23687 based on Foata normal form. 0/64680 useless extension candidates. Maximal degree in co-relation 113905. Up to 38304 conditions per place. [2023-08-29 18:53:44,128 INFO L137 encePairwiseOnDemand]: 1973/1980 looper letters, 75 selfloop transitions, 1 changer transitions 0/243 dead transitions. [2023-08-29 18:53:44,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 243 transitions, 664 flow [2023-08-29 18:53:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2895 transitions. [2023-08-29 18:53:44,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48737373737373735 [2023-08-29 18:53:44,138 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2895 transitions. [2023-08-29 18:53:44,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2895 transitions. [2023-08-29 18:53:44,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:44,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2895 transitions. [2023-08-29 18:53:44,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 965.0) internal successors, (2895), 3 states have internal predecessors, (2895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:44,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:44,315 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:44,315 INFO L175 Difference]: Start difference. First operand has 245 places, 249 transitions, 524 flow. Second operand 3 states and 2895 transitions. [2023-08-29 18:53:44,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 243 transitions, 664 flow [2023-08-29 18:53:44,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 243 transitions, 664 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:44,319 INFO L231 Difference]: Finished difference. Result has 241 places, 243 transitions, 514 flow [2023-08-29 18:53:44,320 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=241, PETRI_TRANSITIONS=243} [2023-08-29 18:53:44,322 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -75 predicate places. [2023-08-29 18:53:44,322 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 243 transitions, 514 flow [2023-08-29 18:53:44,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 942.0) internal successors, (2826), 3 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:44,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:44,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:44,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:53:44,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:44,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:44,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1339740350, now seen corresponding path program 1 times [2023-08-29 18:53:44,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:44,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517715510] [2023-08-29 18:53:44,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:44,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:53:44,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:44,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517715510] [2023-08-29 18:53:44,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517715510] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:44,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:44,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:44,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914211864] [2023-08-29 18:53:44,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:44,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:44,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:44,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:44,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:44,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 957 out of 1980 [2023-08-29 18:53:44,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 243 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 961.3333333333334) internal successors, (2884), 3 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:44,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:44,550 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 957 of 1980 [2023-08-29 18:53:44,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:47,562 INFO L130 PetriNetUnfolder]: 11729/38380 cut-off events. [2023-08-29 18:53:47,562 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-29 18:53:47,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55332 conditions, 38380 events. 11729/38380 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484685 event pairs, 9545 based on Foata normal form. 0/32338 useless extension candidates. Maximal degree in co-relation 55326. Up to 16363 conditions per place. [2023-08-29 18:53:47,848 INFO L137 encePairwiseOnDemand]: 1977/1980 looper letters, 63 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2023-08-29 18:53:47,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 244 transitions, 646 flow [2023-08-29 18:53:47,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2936 transitions. [2023-08-29 18:53:47,854 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49427609427609426 [2023-08-29 18:53:47,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2936 transitions. [2023-08-29 18:53:47,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2936 transitions. [2023-08-29 18:53:47,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:47,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2936 transitions. [2023-08-29 18:53:47,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 978.6666666666666) internal successors, (2936), 3 states have internal predecessors, (2936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:47,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:47,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:47,872 INFO L175 Difference]: Start difference. First operand has 241 places, 243 transitions, 514 flow. Second operand 3 states and 2936 transitions. [2023-08-29 18:53:47,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 244 transitions, 646 flow [2023-08-29 18:53:47,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 244 transitions, 645 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:53:47,877 INFO L231 Difference]: Finished difference. Result has 243 places, 244 transitions, 525 flow [2023-08-29 18:53:47,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=525, PETRI_PLACES=243, PETRI_TRANSITIONS=244} [2023-08-29 18:53:47,879 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -73 predicate places. [2023-08-29 18:53:47,880 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 244 transitions, 525 flow [2023-08-29 18:53:47,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 961.3333333333334) internal successors, (2884), 3 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:47,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:47,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:47,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:53:47,881 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:47,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:47,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1055120989, now seen corresponding path program 1 times [2023-08-29 18:53:47,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:47,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413637858] [2023-08-29 18:53:47,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:47,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:53:48,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413637858] [2023-08-29 18:53:48,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413637858] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:48,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:48,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:53:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359731104] [2023-08-29 18:53:48,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:48,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:53:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:48,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:53:48,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:53:48,194 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-29 18:53:48,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 244 transitions, 525 flow. Second operand has 4 states, 4 states have (on average 958.5) internal successors, (3834), 4 states have internal predecessors, (3834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:48,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:48,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-29 18:53:48,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:51,454 INFO L130 PetriNetUnfolder]: 11729/38381 cut-off events. [2023-08-29 18:53:51,454 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-29 18:53:51,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55340 conditions, 38381 events. 11729/38381 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484549 event pairs, 9545 based on Foata normal form. 0/32339 useless extension candidates. Maximal degree in co-relation 55333. Up to 16362 conditions per place. [2023-08-29 18:53:51,713 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 62 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2023-08-29 18:53:51,713 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 245 transitions, 659 flow [2023-08-29 18:53:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:53:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:53:51,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3886 transitions. [2023-08-29 18:53:51,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4906565656565657 [2023-08-29 18:53:51,722 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3886 transitions. [2023-08-29 18:53:51,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3886 transitions. [2023-08-29 18:53:51,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:51,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3886 transitions. [2023-08-29 18:53:51,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.5) internal successors, (3886), 4 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:51,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:51,742 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:51,743 INFO L175 Difference]: Start difference. First operand has 243 places, 244 transitions, 525 flow. Second operand 4 states and 3886 transitions. [2023-08-29 18:53:51,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 245 transitions, 659 flow [2023-08-29 18:53:51,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 245 transitions, 655 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 18:53:51,748 INFO L231 Difference]: Finished difference. Result has 246 places, 245 transitions, 539 flow [2023-08-29 18:53:51,748 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=539, PETRI_PLACES=246, PETRI_TRANSITIONS=245} [2023-08-29 18:53:51,749 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -70 predicate places. [2023-08-29 18:53:51,749 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 245 transitions, 539 flow [2023-08-29 18:53:51,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 958.5) internal successors, (3834), 4 states have internal predecessors, (3834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:51,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:51,751 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:51,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:53:51,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:51,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:51,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1366266619, now seen corresponding path program 1 times [2023-08-29 18:53:51,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:51,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225527043] [2023-08-29 18:53:51,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:53:51,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225527043] [2023-08-29 18:53:51,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225527043] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:51,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:51,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:53:51,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692245365] [2023-08-29 18:53:51,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:51,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:53:51,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:51,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:53:51,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:53:52,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-29 18:53:52,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 245 transitions, 539 flow. Second operand has 4 states, 4 states have (on average 958.75) internal successors, (3835), 4 states have internal predecessors, (3835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:52,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:52,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-29 18:53:52,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:55,214 INFO L130 PetriNetUnfolder]: 11729/38382 cut-off events. [2023-08-29 18:53:55,214 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-29 18:53:55,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55349 conditions, 38382 events. 11729/38382 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484369 event pairs, 9545 based on Foata normal form. 0/32341 useless extension candidates. Maximal degree in co-relation 55341. Up to 16363 conditions per place. [2023-08-29 18:53:55,689 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 63 selfloop transitions, 4 changer transitions 0/246 dead transitions. [2023-08-29 18:53:55,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 246 transitions, 675 flow [2023-08-29 18:53:55,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:53:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:53:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3886 transitions. [2023-08-29 18:53:55,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4906565656565657 [2023-08-29 18:53:55,698 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3886 transitions. [2023-08-29 18:53:55,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3886 transitions. [2023-08-29 18:53:55,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:55,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3886 transitions. [2023-08-29 18:53:55,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.5) internal successors, (3886), 4 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:55,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:55,719 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:55,720 INFO L175 Difference]: Start difference. First operand has 246 places, 245 transitions, 539 flow. Second operand 4 states and 3886 transitions. [2023-08-29 18:53:55,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 246 transitions, 675 flow [2023-08-29 18:53:55,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 246 transitions, 674 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:53:55,725 INFO L231 Difference]: Finished difference. Result has 249 places, 246 transitions, 556 flow [2023-08-29 18:53:55,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=556, PETRI_PLACES=249, PETRI_TRANSITIONS=246} [2023-08-29 18:53:55,726 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -67 predicate places. [2023-08-29 18:53:55,726 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 246 transitions, 556 flow [2023-08-29 18:53:55,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 958.75) internal successors, (3835), 4 states have internal predecessors, (3835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:55,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:55,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:55,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:53:55,728 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:55,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:55,729 INFO L85 PathProgramCache]: Analyzing trace with hash 932554875, now seen corresponding path program 1 times [2023-08-29 18:53:55,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:55,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842464709] [2023-08-29 18:53:55,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:55,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 18:53:55,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:55,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842464709] [2023-08-29 18:53:55,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842464709] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:55,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:55,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:53:55,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963351369] [2023-08-29 18:53:55,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:55,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:53:55,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:55,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:53:55,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:53:55,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-29 18:53:55,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 246 transitions, 556 flow. Second operand has 4 states, 4 states have (on average 959.0) internal successors, (3836), 4 states have internal predecessors, (3836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:55,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:55,977 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-29 18:53:55,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:59,463 INFO L130 PetriNetUnfolder]: 11729/38383 cut-off events. [2023-08-29 18:53:59,463 INFO L131 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2023-08-29 18:53:59,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55360 conditions, 38383 events. 11729/38383 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484884 event pairs, 9545 based on Foata normal form. 0/32343 useless extension candidates. Maximal degree in co-relation 55351. Up to 16365 conditions per place. [2023-08-29 18:53:59,743 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 65 selfloop transitions, 3 changer transitions 0/247 dead transitions. [2023-08-29 18:53:59,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 247 transitions, 694 flow [2023-08-29 18:53:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:53:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:53:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3885 transitions. [2023-08-29 18:53:59,750 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49053030303030304 [2023-08-29 18:53:59,750 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3885 transitions. [2023-08-29 18:53:59,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3885 transitions. [2023-08-29 18:53:59,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:59,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3885 transitions. [2023-08-29 18:53:59,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.25) internal successors, (3885), 4 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:59,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:59,767 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:59,767 INFO L175 Difference]: Start difference. First operand has 249 places, 246 transitions, 556 flow. Second operand 4 states and 3885 transitions. [2023-08-29 18:53:59,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 247 transitions, 694 flow [2023-08-29 18:53:59,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 247 transitions, 690 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:59,772 INFO L231 Difference]: Finished difference. Result has 251 places, 247 transitions, 566 flow [2023-08-29 18:53:59,772 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=566, PETRI_PLACES=251, PETRI_TRANSITIONS=247} [2023-08-29 18:53:59,773 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -65 predicate places. [2023-08-29 18:53:59,773 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 247 transitions, 566 flow [2023-08-29 18:53:59,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 959.0) internal successors, (3836), 4 states have internal predecessors, (3836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:59,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:59,774 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:59,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 18:53:59,775 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:53:59,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1114954988, now seen corresponding path program 1 times [2023-08-29 18:53:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:59,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109400847] [2023-08-29 18:53:59,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:59,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:59,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109400847] [2023-08-29 18:53:59,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109400847] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:59,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:59,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:53:59,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384455424] [2023-08-29 18:53:59,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:59,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:53:59,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:59,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:53:59,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:54:00,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-29 18:54:00,099 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 247 transitions, 566 flow. Second operand has 4 states, 4 states have (on average 959.25) internal successors, (3837), 4 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:00,099 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:00,099 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-29 18:54:00,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:03,719 INFO L130 PetriNetUnfolder]: 11729/38384 cut-off events. [2023-08-29 18:54:03,720 INFO L131 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2023-08-29 18:54:03,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55367 conditions, 38384 events. 11729/38384 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484666 event pairs, 9545 based on Foata normal form. 0/32345 useless extension candidates. Maximal degree in co-relation 55357. Up to 16366 conditions per place. [2023-08-29 18:54:04,020 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 66 selfloop transitions, 3 changer transitions 0/248 dead transitions. [2023-08-29 18:54:04,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 248 transitions, 706 flow [2023-08-29 18:54:04,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:54:04,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:54:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3885 transitions. [2023-08-29 18:54:04,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49053030303030304 [2023-08-29 18:54:04,029 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3885 transitions. [2023-08-29 18:54:04,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3885 transitions. [2023-08-29 18:54:04,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:04,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3885 transitions. [2023-08-29 18:54:04,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.25) internal successors, (3885), 4 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:04,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:04,045 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:04,045 INFO L175 Difference]: Start difference. First operand has 251 places, 247 transitions, 566 flow. Second operand 4 states and 3885 transitions. [2023-08-29 18:54:04,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 248 transitions, 706 flow [2023-08-29 18:54:04,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 248 transitions, 700 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 18:54:04,050 INFO L231 Difference]: Finished difference. Result has 253 places, 248 transitions, 574 flow [2023-08-29 18:54:04,050 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=574, PETRI_PLACES=253, PETRI_TRANSITIONS=248} [2023-08-29 18:54:04,051 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -63 predicate places. [2023-08-29 18:54:04,051 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 248 transitions, 574 flow [2023-08-29 18:54:04,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 959.25) internal successors, (3837), 4 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:04,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:04,052 INFO L208 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] [2023-08-29 18:54:04,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 18:54:04,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:04,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1657971902, now seen corresponding path program 1 times [2023-08-29 18:54:04,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:04,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498343693] [2023-08-29 18:54:04,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:04,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:54:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:54:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-29 18:54:04,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:54:04,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498343693] [2023-08-29 18:54:04,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498343693] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:54:04,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:54:04,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:54:04,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023237016] [2023-08-29 18:54:04,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:54:04,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:54:04,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:54:04,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:54:04,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:54:04,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-29 18:54:04,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 248 transitions, 574 flow. Second operand has 4 states, 4 states have (on average 959.5) internal successors, (3838), 4 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:04,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:04,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-29 18:54:04,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:08,047 INFO L130 PetriNetUnfolder]: 11729/38385 cut-off events. [2023-08-29 18:54:08,047 INFO L131 PetriNetUnfolder]: For 524/524 co-relation queries the response was YES. [2023-08-29 18:54:08,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55373 conditions, 38385 events. 11729/38385 cut-off events. For 524/524 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484688 event pairs, 9545 based on Foata normal form. 0/32347 useless extension candidates. Maximal degree in co-relation 55362. Up to 16367 conditions per place. [2023-08-29 18:54:08,346 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 67 selfloop transitions, 3 changer transitions 0/249 dead transitions. [2023-08-29 18:54:08,346 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 249 transitions, 716 flow [2023-08-29 18:54:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:54:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:54:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3885 transitions. [2023-08-29 18:54:08,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49053030303030304 [2023-08-29 18:54:08,351 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3885 transitions. [2023-08-29 18:54:08,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3885 transitions. [2023-08-29 18:54:08,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:08,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3885 transitions. [2023-08-29 18:54:08,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.25) internal successors, (3885), 4 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:08,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:08,360 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:08,360 INFO L175 Difference]: Start difference. First operand has 253 places, 248 transitions, 574 flow. Second operand 4 states and 3885 transitions. [2023-08-29 18:54:08,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 249 transitions, 716 flow [2023-08-29 18:54:08,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 249 transitions, 710 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 18:54:08,364 INFO L231 Difference]: Finished difference. Result has 255 places, 249 transitions, 582 flow [2023-08-29 18:54:08,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=582, PETRI_PLACES=255, PETRI_TRANSITIONS=249} [2023-08-29 18:54:08,365 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -61 predicate places. [2023-08-29 18:54:08,365 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 249 transitions, 582 flow [2023-08-29 18:54:08,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 959.5) internal successors, (3838), 4 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:08,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:08,366 INFO L208 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] [2023-08-29 18:54:08,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 18:54:08,366 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:08,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:08,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1628574585, now seen corresponding path program 1 times [2023-08-29 18:54:08,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:08,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880383110] [2023-08-29 18:54:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:54:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:54:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:54:08,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:54:08,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880383110] [2023-08-29 18:54:08,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880383110] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:54:08,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:54:08,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:54:08,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976429914] [2023-08-29 18:54:08,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:54:08,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:54:08,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:54:08,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:54:08,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:54:09,610 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 945 out of 1980 [2023-08-29 18:54:09,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 249 transitions, 582 flow. Second operand has 6 states, 6 states have (on average 948.8333333333334) internal successors, (5693), 6 states have internal predecessors, (5693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:09,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:09,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 945 of 1980 [2023-08-29 18:54:09,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:17,215 INFO L130 PetriNetUnfolder]: 36578/82369 cut-off events. [2023-08-29 18:54:17,215 INFO L131 PetriNetUnfolder]: For 1156/1156 co-relation queries the response was YES. [2023-08-29 18:54:17,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133010 conditions, 82369 events. 36578/82369 cut-off events. For 1156/1156 co-relation queries the response was YES. Maximal size of possible extension queue 2120. Compared 976164 event pairs, 10093 based on Foata normal form. 0/68946 useless extension candidates. Maximal degree in co-relation 132998. Up to 17626 conditions per place. [2023-08-29 18:54:17,950 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 234 selfloop transitions, 4 changer transitions 0/412 dead transitions. [2023-08-29 18:54:17,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 412 transitions, 1404 flow [2023-08-29 18:54:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:54:17,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:54:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5898 transitions. [2023-08-29 18:54:17,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49646464646464644 [2023-08-29 18:54:17,957 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5898 transitions. [2023-08-29 18:54:17,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5898 transitions. [2023-08-29 18:54:17,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:17,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5898 transitions. [2023-08-29 18:54:17,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 983.0) internal successors, (5898), 6 states have internal predecessors, (5898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:17,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:17,972 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:17,972 INFO L175 Difference]: Start difference. First operand has 255 places, 249 transitions, 582 flow. Second operand 6 states and 5898 transitions. [2023-08-29 18:54:17,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 412 transitions, 1404 flow [2023-08-29 18:54:17,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 412 transitions, 1398 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 18:54:17,979 INFO L231 Difference]: Finished difference. Result has 257 places, 248 transitions, 582 flow [2023-08-29 18:54:17,980 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=582, PETRI_PLACES=257, PETRI_TRANSITIONS=248} [2023-08-29 18:54:17,980 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -59 predicate places. [2023-08-29 18:54:17,980 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 248 transitions, 582 flow [2023-08-29 18:54:17,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 948.8333333333334) internal successors, (5693), 6 states have internal predecessors, (5693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:17,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:17,982 INFO L208 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] [2023-08-29 18:54:17,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 18:54:17,982 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:17,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:17,982 INFO L85 PathProgramCache]: Analyzing trace with hash -2046292268, now seen corresponding path program 1 times [2023-08-29 18:54:17,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:17,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427708642] [2023-08-29 18:54:17,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:17,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:54:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:54:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:54:18,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:54:18,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427708642] [2023-08-29 18:54:18,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427708642] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:54:18,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:54:18,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:54:18,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207380417] [2023-08-29 18:54:18,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:54:18,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:54:18,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:54:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:54:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:54:19,249 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 926 out of 1980 [2023-08-29 18:54:19,251 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 248 transitions, 582 flow. Second operand has 6 states, 6 states have (on average 929.1666666666666) internal successors, (5575), 6 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:19,251 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:19,251 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 926 of 1980 [2023-08-29 18:54:19,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:27,017 INFO L130 PetriNetUnfolder]: 29570/90032 cut-off events. [2023-08-29 18:54:27,017 INFO L131 PetriNetUnfolder]: For 6098/6123 co-relation queries the response was YES. [2023-08-29 18:54:27,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137511 conditions, 90032 events. 29570/90032 cut-off events. For 6098/6123 co-relation queries the response was YES. Maximal size of possible extension queue 1892. Compared 1216779 event pairs, 16173 based on Foata normal form. 0/77687 useless extension candidates. Maximal degree in co-relation 137499. Up to 39835 conditions per place. [2023-08-29 18:54:27,818 INFO L137 encePairwiseOnDemand]: 1968/1980 looper letters, 163 selfloop transitions, 8 changer transitions 0/328 dead transitions. [2023-08-29 18:54:27,818 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 328 transitions, 1100 flow [2023-08-29 18:54:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:54:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:54:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5724 transitions. [2023-08-29 18:54:27,824 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4818181818181818 [2023-08-29 18:54:27,824 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5724 transitions. [2023-08-29 18:54:27,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5724 transitions. [2023-08-29 18:54:27,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:27,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5724 transitions. [2023-08-29 18:54:27,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 954.0) internal successors, (5724), 6 states have internal predecessors, (5724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:27,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:27,839 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:27,839 INFO L175 Difference]: Start difference. First operand has 257 places, 248 transitions, 582 flow. Second operand 6 states and 5724 transitions. [2023-08-29 18:54:27,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 328 transitions, 1100 flow [2023-08-29 18:54:27,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 328 transitions, 1085 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:54:27,850 INFO L231 Difference]: Finished difference. Result has 258 places, 252 transitions, 629 flow [2023-08-29 18:54:27,850 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=629, PETRI_PLACES=258, PETRI_TRANSITIONS=252} [2023-08-29 18:54:27,851 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -58 predicate places. [2023-08-29 18:54:27,851 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 252 transitions, 629 flow [2023-08-29 18:54:27,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 929.1666666666666) internal successors, (5575), 6 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:27,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:27,852 INFO L208 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] [2023-08-29 18:54:27,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 18:54:27,853 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:27,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash 238473552, now seen corresponding path program 1 times [2023-08-29 18:54:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:27,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508646829] [2023-08-29 18:54:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:54:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:54:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:54:28,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:54:28,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508646829] [2023-08-29 18:54:28,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508646829] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:54:28,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:54:28,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:54:28,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158360493] [2023-08-29 18:54:28,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:54:28,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:54:28,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:54:28,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:54:28,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:54:29,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 926 out of 1980 [2023-08-29 18:54:29,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 252 transitions, 629 flow. Second operand has 6 states, 6 states have (on average 929.5) internal successors, (5577), 6 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:29,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:29,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 926 of 1980 [2023-08-29 18:54:29,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:38,097 INFO L130 PetriNetUnfolder]: 39823/94139 cut-off events. [2023-08-29 18:54:38,098 INFO L131 PetriNetUnfolder]: For 1831/1907 co-relation queries the response was YES. [2023-08-29 18:54:38,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152697 conditions, 94139 events. 39823/94139 cut-off events. For 1831/1907 co-relation queries the response was YES. Maximal size of possible extension queue 1960. Compared 1135683 event pairs, 6776 based on Foata normal form. 0/83753 useless extension candidates. Maximal degree in co-relation 152682. Up to 51827 conditions per place. [2023-08-29 18:54:39,018 INFO L137 encePairwiseOnDemand]: 1968/1980 looper letters, 204 selfloop transitions, 8 changer transitions 0/372 dead transitions. [2023-08-29 18:54:39,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 372 transitions, 1333 flow [2023-08-29 18:54:39,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:54:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:54:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5760 transitions. [2023-08-29 18:54:39,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48484848484848486 [2023-08-29 18:54:39,027 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5760 transitions. [2023-08-29 18:54:39,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5760 transitions. [2023-08-29 18:54:39,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:39,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5760 transitions. [2023-08-29 18:54:39,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 960.0) internal successors, (5760), 6 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:39,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:39,043 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:39,043 INFO L175 Difference]: Start difference. First operand has 258 places, 252 transitions, 629 flow. Second operand 6 states and 5760 transitions. [2023-08-29 18:54:39,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 372 transitions, 1333 flow [2023-08-29 18:54:39,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 372 transitions, 1333 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:54:39,049 INFO L231 Difference]: Finished difference. Result has 263 places, 256 transitions, 683 flow [2023-08-29 18:54:39,050 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=263, PETRI_TRANSITIONS=256} [2023-08-29 18:54:39,050 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -53 predicate places. [2023-08-29 18:54:39,051 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 256 transitions, 683 flow [2023-08-29 18:54:39,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 929.5) internal successors, (5577), 6 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:39,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:39,052 INFO L208 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] [2023-08-29 18:54:39,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 18:54:39,052 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:39,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:39,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1540736733, now seen corresponding path program 1 times [2023-08-29 18:54:39,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:39,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6759487] [2023-08-29 18:54:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:39,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:54:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:54:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:54:39,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:54:39,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6759487] [2023-08-29 18:54:39,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6759487] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:54:39,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:54:39,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:54:39,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797099633] [2023-08-29 18:54:39,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:54:39,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:54:39,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:54:39,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:54:39,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:54:39,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 956 out of 1980 [2023-08-29 18:54:39,327 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 256 transitions, 683 flow. Second operand has 3 states, 3 states have (on average 962.3333333333334) internal successors, (2887), 3 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:39,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:39,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 956 of 1980 [2023-08-29 18:54:39,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:45,379 INFO L130 PetriNetUnfolder]: 22911/61520 cut-off events. [2023-08-29 18:54:45,379 INFO L131 PetriNetUnfolder]: For 1468/1518 co-relation queries the response was YES. [2023-08-29 18:54:45,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96222 conditions, 61520 events. 22911/61520 cut-off events. For 1468/1518 co-relation queries the response was YES. Maximal size of possible extension queue 1450. Compared 758485 event pairs, 6123 based on Foata normal form. 0/54814 useless extension candidates. Maximal degree in co-relation 96203. Up to 31724 conditions per place. [2023-08-29 18:54:45,977 INFO L137 encePairwiseOnDemand]: 1974/1980 looper letters, 98 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2023-08-29 18:54:45,977 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 275 transitions, 934 flow [2023-08-29 18:54:45,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:54:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:54:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2962 transitions. [2023-08-29 18:54:45,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4986531986531986 [2023-08-29 18:54:45,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2962 transitions. [2023-08-29 18:54:45,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2962 transitions. [2023-08-29 18:54:45,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:45,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2962 transitions. [2023-08-29 18:54:45,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 987.3333333333334) internal successors, (2962), 3 states have internal predecessors, (2962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:45,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:45,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:45,990 INFO L175 Difference]: Start difference. First operand has 263 places, 256 transitions, 683 flow. Second operand 3 states and 2962 transitions. [2023-08-29 18:54:45,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 275 transitions, 934 flow [2023-08-29 18:54:45,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 275 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:54:45,999 INFO L231 Difference]: Finished difference. Result has 262 places, 254 transitions, 689 flow [2023-08-29 18:54:45,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=262, PETRI_TRANSITIONS=254} [2023-08-29 18:54:46,000 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -54 predicate places. [2023-08-29 18:54:46,000 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 254 transitions, 689 flow [2023-08-29 18:54:46,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 962.3333333333334) internal successors, (2887), 3 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:46,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:46,001 INFO L208 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] [2023-08-29 18:54:46,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 18:54:46,001 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:46,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:46,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1115639521, now seen corresponding path program 1 times [2023-08-29 18:54:46,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:46,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849327527] [2023-08-29 18:54:46,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:46,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:54:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:54:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:54:46,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:54:46,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849327527] [2023-08-29 18:54:46,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849327527] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:54:46,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:54:46,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:54:46,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547289663] [2023-08-29 18:54:46,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:54:46,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:54:46,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:54:46,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:54:46,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:54:46,113 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 1980 [2023-08-29 18:54:46,115 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 254 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 944.6666666666666) internal successors, (2834), 3 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:46,116 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:46,116 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 1980 [2023-08-29 18:54:46,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:53,727 INFO L130 PetriNetUnfolder]: 28659/75362 cut-off events. [2023-08-29 18:54:53,727 INFO L131 PetriNetUnfolder]: For 2900/2963 co-relation queries the response was YES. [2023-08-29 18:54:54,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120205 conditions, 75362 events. 28659/75362 cut-off events. For 2900/2963 co-relation queries the response was YES. Maximal size of possible extension queue 1783. Compared 948601 event pairs, 23659 based on Foata normal form. 1/68463 useless extension candidates. Maximal degree in co-relation 120185. Up to 41322 conditions per place. [2023-08-29 18:54:54,521 INFO L137 encePairwiseOnDemand]: 1973/1980 looper letters, 82 selfloop transitions, 1 changer transitions 0/248 dead transitions. [2023-08-29 18:54:54,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 248 transitions, 843 flow [2023-08-29 18:54:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:54:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:54:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2893 transitions. [2023-08-29 18:54:54,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48703703703703705 [2023-08-29 18:54:54,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2893 transitions. [2023-08-29 18:54:54,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2893 transitions. [2023-08-29 18:54:54,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:54,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2893 transitions. [2023-08-29 18:54:54,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 964.3333333333334) internal successors, (2893), 3 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:54,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:54,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:54,533 INFO L175 Difference]: Start difference. First operand has 262 places, 254 transitions, 689 flow. Second operand 3 states and 2893 transitions. [2023-08-29 18:54:54,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 248 transitions, 843 flow [2023-08-29 18:54:54,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 248 transitions, 843 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:54:54,539 INFO L231 Difference]: Finished difference. Result has 258 places, 248 transitions, 679 flow [2023-08-29 18:54:54,539 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=258, PETRI_TRANSITIONS=248} [2023-08-29 18:54:54,540 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -58 predicate places. [2023-08-29 18:54:54,540 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 248 transitions, 679 flow [2023-08-29 18:54:54,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 944.6666666666666) internal successors, (2834), 3 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:54,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:54,541 INFO L208 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] [2023-08-29 18:54:54,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 18:54:54,541 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:54,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:54,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1918984853, now seen corresponding path program 1 times [2023-08-29 18:54:54,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:54,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334547922] [2023-08-29 18:54:54,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:54,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:54:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:54:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:54:54,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:54:54,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334547922] [2023-08-29 18:54:54,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334547922] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:54:54,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:54:54,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:54:54,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628618388] [2023-08-29 18:54:54,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:54:54,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:54:54,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:54:54,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:54:54,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:54:54,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-29 18:54:54,642 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 248 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 968.3333333333334) internal successors, (2905), 3 states have internal predecessors, (2905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:54,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:54:54,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-29 18:54:54,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:54:59,408 INFO L130 PetriNetUnfolder]: 17997/47790 cut-off events. [2023-08-29 18:54:59,408 INFO L131 PetriNetUnfolder]: For 2083/2123 co-relation queries the response was YES. [2023-08-29 18:54:59,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76549 conditions, 47790 events. 17997/47790 cut-off events. For 2083/2123 co-relation queries the response was YES. Maximal size of possible extension queue 1309. Compared 577168 event pairs, 4305 based on Foata normal form. 0/42967 useless extension candidates. Maximal degree in co-relation 76528. Up to 22838 conditions per place. [2023-08-29 18:54:59,966 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 102 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2023-08-29 18:54:59,966 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 275 transitions, 960 flow [2023-08-29 18:54:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:54:59,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:54:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2979 transitions. [2023-08-29 18:54:59,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5015151515151515 [2023-08-29 18:54:59,970 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2979 transitions. [2023-08-29 18:54:59,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2979 transitions. [2023-08-29 18:54:59,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:54:59,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2979 transitions. [2023-08-29 18:54:59,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 993.0) internal successors, (2979), 3 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:59,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:59,977 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:59,977 INFO L175 Difference]: Start difference. First operand has 258 places, 248 transitions, 679 flow. Second operand 3 states and 2979 transitions. [2023-08-29 18:54:59,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 275 transitions, 960 flow [2023-08-29 18:54:59,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 275 transitions, 959 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:54:59,983 INFO L231 Difference]: Finished difference. Result has 258 places, 248 transitions, 688 flow [2023-08-29 18:54:59,983 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=258, PETRI_TRANSITIONS=248} [2023-08-29 18:54:59,983 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -58 predicate places. [2023-08-29 18:54:59,984 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 248 transitions, 688 flow [2023-08-29 18:54:59,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 968.3333333333334) internal successors, (2905), 3 states have internal predecessors, (2905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:54:59,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:54:59,984 INFO L208 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] [2023-08-29 18:54:59,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 18:54:59,985 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:54:59,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:54:59,985 INFO L85 PathProgramCache]: Analyzing trace with hash -385997074, now seen corresponding path program 1 times [2023-08-29 18:54:59,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:54:59,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144468982] [2023-08-29 18:54:59,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:54:59,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:55:00,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:00,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144468982] [2023-08-29 18:55:00,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144468982] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:00,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:00,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:55:00,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701614325] [2023-08-29 18:55:00,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:00,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:55:00,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:00,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:55:00,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:55:01,665 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 926 out of 1980 [2023-08-29 18:55:01,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 248 transitions, 688 flow. Second operand has 6 states, 6 states have (on average 930.5) internal successors, (5583), 6 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:01,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:01,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 926 of 1980 [2023-08-29 18:55:01,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:09,647 INFO L130 PetriNetUnfolder]: 36111/80081 cut-off events. [2023-08-29 18:55:09,648 INFO L131 PetriNetUnfolder]: For 5034/5106 co-relation queries the response was YES. [2023-08-29 18:55:10,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138782 conditions, 80081 events. 36111/80081 cut-off events. For 5034/5106 co-relation queries the response was YES. Maximal size of possible extension queue 1805. Compared 918888 event pairs, 7142 based on Foata normal form. 0/72895 useless extension candidates. Maximal degree in co-relation 138761. Up to 45518 conditions per place. [2023-08-29 18:55:10,476 INFO L137 encePairwiseOnDemand]: 1968/1980 looper letters, 198 selfloop transitions, 8 changer transitions 0/360 dead transitions. [2023-08-29 18:55:10,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 360 transitions, 1404 flow [2023-08-29 18:55:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:55:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:55:10,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5746 transitions. [2023-08-29 18:55:10,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4836700336700337 [2023-08-29 18:55:10,481 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5746 transitions. [2023-08-29 18:55:10,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5746 transitions. [2023-08-29 18:55:10,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:10,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5746 transitions. [2023-08-29 18:55:10,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 957.6666666666666) internal successors, (5746), 6 states have internal predecessors, (5746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:10,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:10,497 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:10,497 INFO L175 Difference]: Start difference. First operand has 258 places, 248 transitions, 688 flow. Second operand 6 states and 5746 transitions. [2023-08-29 18:55:10,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 360 transitions, 1404 flow [2023-08-29 18:55:10,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 360 transitions, 1404 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:10,505 INFO L231 Difference]: Finished difference. Result has 263 places, 252 transitions, 742 flow [2023-08-29 18:55:10,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=263, PETRI_TRANSITIONS=252} [2023-08-29 18:55:10,506 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -53 predicate places. [2023-08-29 18:55:10,506 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 252 transitions, 742 flow [2023-08-29 18:55:10,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 930.5) internal successors, (5583), 6 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:10,507 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:10,507 INFO L208 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] [2023-08-29 18:55:10,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 18:55:10,508 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:55:10,508 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1519837788, now seen corresponding path program 1 times [2023-08-29 18:55:10,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:10,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434621751] [2023-08-29 18:55:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:10,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:55:10,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:10,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434621751] [2023-08-29 18:55:10,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434621751] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:10,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:10,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:10,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902678385] [2023-08-29 18:55:10,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:10,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:10,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:10,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:10,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:10,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-29 18:55:10,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 252 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 969.0) internal successors, (2907), 3 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:10,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:10,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-29 18:55:10,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:18,360 INFO L130 PetriNetUnfolder]: 23252/74860 cut-off events. [2023-08-29 18:55:18,360 INFO L131 PetriNetUnfolder]: For 3782/3876 co-relation queries the response was YES. [2023-08-29 18:55:19,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115251 conditions, 74860 events. 23252/74860 cut-off events. For 3782/3876 co-relation queries the response was YES. Maximal size of possible extension queue 1914. Compared 1043473 event pairs, 5460 based on Foata normal form. 0/68566 useless extension candidates. Maximal degree in co-relation 115226. Up to 24246 conditions per place. [2023-08-29 18:55:19,223 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 119 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2023-08-29 18:55:19,223 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 294 transitions, 1099 flow [2023-08-29 18:55:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2023-08-29 18:55:19,225 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5037037037037037 [2023-08-29 18:55:19,225 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2992 transitions. [2023-08-29 18:55:19,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2992 transitions. [2023-08-29 18:55:19,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:19,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2992 transitions. [2023-08-29 18:55:19,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 997.3333333333334) internal successors, (2992), 3 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:19,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:19,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:19,233 INFO L175 Difference]: Start difference. First operand has 263 places, 252 transitions, 742 flow. Second operand 3 states and 2992 transitions. [2023-08-29 18:55:19,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 294 transitions, 1099 flow [2023-08-29 18:55:19,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 294 transitions, 1099 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:19,244 INFO L231 Difference]: Finished difference. Result has 264 places, 252 transitions, 752 flow [2023-08-29 18:55:19,244 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=264, PETRI_TRANSITIONS=252} [2023-08-29 18:55:19,245 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -52 predicate places. [2023-08-29 18:55:19,245 INFO L495 AbstractCegarLoop]: Abstraction has has 264 places, 252 transitions, 752 flow [2023-08-29 18:55:19,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 969.0) internal successors, (2907), 3 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:19,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:19,245 INFO L208 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] [2023-08-29 18:55:19,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 18:55:19,246 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:55:19,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:19,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1721413478, now seen corresponding path program 1 times [2023-08-29 18:55:19,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:19,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214700565] [2023-08-29 18:55:19,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:55:19,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:19,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214700565] [2023-08-29 18:55:19,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214700565] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:19,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:19,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:19,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623688044] [2023-08-29 18:55:19,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:19,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:19,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:19,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:19,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:19,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 1980 [2023-08-29 18:55:19,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 252 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 950.6666666666666) internal successors, (2852), 3 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:19,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:19,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 1980 [2023-08-29 18:55:19,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:26,468 INFO L130 PetriNetUnfolder]: 23099/65692 cut-off events. [2023-08-29 18:55:26,469 INFO L131 PetriNetUnfolder]: For 4831/4915 co-relation queries the response was YES. [2023-08-29 18:55:27,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108320 conditions, 65692 events. 23099/65692 cut-off events. For 4831/4915 co-relation queries the response was YES. Maximal size of possible extension queue 1771. Compared 857555 event pairs, 6020 based on Foata normal form. 0/59039 useless extension candidates. Maximal degree in co-relation 108294. Up to 28037 conditions per place. [2023-08-29 18:55:27,295 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 108 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2023-08-29 18:55:27,295 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 281 transitions, 1056 flow [2023-08-29 18:55:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2927 transitions. [2023-08-29 18:55:27,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927609427609428 [2023-08-29 18:55:27,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2927 transitions. [2023-08-29 18:55:27,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2927 transitions. [2023-08-29 18:55:27,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:27,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2927 transitions. [2023-08-29 18:55:27,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 975.6666666666666) internal successors, (2927), 3 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:27,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:27,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:27,303 INFO L175 Difference]: Start difference. First operand has 264 places, 252 transitions, 752 flow. Second operand 3 states and 2927 transitions. [2023-08-29 18:55:27,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 281 transitions, 1056 flow [2023-08-29 18:55:27,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 281 transitions, 1056 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:27,316 INFO L231 Difference]: Finished difference. Result has 265 places, 252 transitions, 762 flow [2023-08-29 18:55:27,316 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=265, PETRI_TRANSITIONS=252} [2023-08-29 18:55:27,317 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -51 predicate places. [2023-08-29 18:55:27,317 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 252 transitions, 762 flow [2023-08-29 18:55:27,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 950.6666666666666) internal successors, (2852), 3 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:27,318 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:27,318 INFO L208 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] [2023-08-29 18:55:27,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 18:55:27,318 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:55:27,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:27,319 INFO L85 PathProgramCache]: Analyzing trace with hash 716891210, now seen corresponding path program 1 times [2023-08-29 18:55:27,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:27,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752578903] [2023-08-29 18:55:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:27,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:55:27,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:27,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752578903] [2023-08-29 18:55:27,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752578903] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:27,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:27,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:55:27,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219278228] [2023-08-29 18:55:27,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:27,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:27,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:27,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:27,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:27,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-29 18:55:27,615 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 252 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 968.6666666666666) internal successors, (2906), 3 states have internal predecessors, (2906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:27,615 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:27,615 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-29 18:55:27,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:35,939 INFO L130 PetriNetUnfolder]: 22598/74999 cut-off events. [2023-08-29 18:55:35,939 INFO L131 PetriNetUnfolder]: For 5605/5745 co-relation queries the response was YES. [2023-08-29 18:55:36,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118063 conditions, 74999 events. 22598/74999 cut-off events. For 5605/5745 co-relation queries the response was YES. Maximal size of possible extension queue 1732. Compared 1053464 event pairs, 12879 based on Foata normal form. 0/69296 useless extension candidates. Maximal degree in co-relation 118036. Up to 25065 conditions per place. [2023-08-29 18:55:36,909 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 114 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2023-08-29 18:55:36,909 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 291 transitions, 1097 flow [2023-08-29 18:55:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2986 transitions. [2023-08-29 18:55:36,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026936026936027 [2023-08-29 18:55:36,911 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2986 transitions. [2023-08-29 18:55:36,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2986 transitions. [2023-08-29 18:55:36,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:36,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2986 transitions. [2023-08-29 18:55:36,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 995.3333333333334) internal successors, (2986), 3 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:36,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:36,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:36,918 INFO L175 Difference]: Start difference. First operand has 265 places, 252 transitions, 762 flow. Second operand 3 states and 2986 transitions. [2023-08-29 18:55:36,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 291 transitions, 1097 flow [2023-08-29 18:55:36,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 291 transitions, 1097 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:36,937 INFO L231 Difference]: Finished difference. Result has 269 places, 254 transitions, 784 flow [2023-08-29 18:55:36,937 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=269, PETRI_TRANSITIONS=254} [2023-08-29 18:55:36,938 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -47 predicate places. [2023-08-29 18:55:36,938 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 254 transitions, 784 flow [2023-08-29 18:55:36,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 968.6666666666666) internal successors, (2906), 3 states have internal predecessors, (2906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:36,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:36,938 INFO L208 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] [2023-08-29 18:55:36,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 18:55:36,939 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:55:36,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:36,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1581591257, now seen corresponding path program 1 times [2023-08-29 18:55:36,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:36,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095012172] [2023-08-29 18:55:36,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:36,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:55:37,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:37,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095012172] [2023-08-29 18:55:37,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095012172] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:37,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:37,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:37,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600403024] [2023-08-29 18:55:37,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:37,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:37,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:37,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:37,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:37,302 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 1980 [2023-08-29 18:55:37,303 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 254 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 951.3333333333334) internal successors, (2854), 3 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:37,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:37,303 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 1980 [2023-08-29 18:55:37,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:46,655 INFO L130 PetriNetUnfolder]: 27736/79556 cut-off events. [2023-08-29 18:55:46,655 INFO L131 PetriNetUnfolder]: For 11641/11783 co-relation queries the response was YES. [2023-08-29 18:55:47,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138057 conditions, 79556 events. 27736/79556 cut-off events. For 11641/11783 co-relation queries the response was YES. Maximal size of possible extension queue 1892. Compared 1052525 event pairs, 8158 based on Foata normal form. 0/73045 useless extension candidates. Maximal degree in co-relation 138028. Up to 27900 conditions per place. [2023-08-29 18:55:47,694 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 127 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2023-08-29 18:55:47,694 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 298 transitions, 1180 flow [2023-08-29 18:55:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2940 transitions. [2023-08-29 18:55:47,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.494949494949495 [2023-08-29 18:55:47,697 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2940 transitions. [2023-08-29 18:55:47,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2940 transitions. [2023-08-29 18:55:47,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:47,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2940 transitions. [2023-08-29 18:55:47,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 980.0) internal successors, (2940), 3 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:47,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:47,702 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:47,702 INFO L175 Difference]: Start difference. First operand has 269 places, 254 transitions, 784 flow. Second operand 3 states and 2940 transitions. [2023-08-29 18:55:47,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 298 transitions, 1180 flow [2023-08-29 18:55:48,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 298 transitions, 1170 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:55:48,063 INFO L231 Difference]: Finished difference. Result has 268 places, 254 transitions, 788 flow [2023-08-29 18:55:48,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=268, PETRI_TRANSITIONS=254} [2023-08-29 18:55:48,064 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -48 predicate places. [2023-08-29 18:55:48,064 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 254 transitions, 788 flow [2023-08-29 18:55:48,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 951.3333333333334) internal successors, (2854), 3 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:48,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:48,065 INFO L208 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] [2023-08-29 18:55:48,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 18:55:48,065 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:55:48,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:48,066 INFO L85 PathProgramCache]: Analyzing trace with hash -635854952, now seen corresponding path program 1 times [2023-08-29 18:55:48,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:48,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477912162] [2023-08-29 18:55:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:55:48,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:48,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477912162] [2023-08-29 18:55:48,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477912162] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:48,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:48,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:48,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880309160] [2023-08-29 18:55:48,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:48,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:48,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:48,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:48,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:48,135 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-29 18:55:48,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 254 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 971.3333333333334) internal successors, (2914), 3 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:48,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:48,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-29 18:55:48,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:56:01,113 INFO L130 PetriNetUnfolder]: 37207/107195 cut-off events. [2023-08-29 18:56:01,113 INFO L131 PetriNetUnfolder]: For 12506/12666 co-relation queries the response was YES. [2023-08-29 18:56:02,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182534 conditions, 107195 events. 37207/107195 cut-off events. For 12506/12666 co-relation queries the response was YES. Maximal size of possible extension queue 2430. Compared 1481294 event pairs, 14875 based on Foata normal form. 0/99096 useless extension candidates. Maximal degree in co-relation 182505. Up to 27548 conditions per place. [2023-08-29 18:56:02,559 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 133 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2023-08-29 18:56:02,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 305 transitions, 1215 flow [2023-08-29 18:56:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:56:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:56:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2997 transitions. [2023-08-29 18:56:02,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5045454545454545 [2023-08-29 18:56:02,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2997 transitions. [2023-08-29 18:56:02,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2997 transitions. [2023-08-29 18:56:02,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:56:02,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2997 transitions. [2023-08-29 18:56:02,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 999.0) internal successors, (2997), 3 states have internal predecessors, (2997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:02,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:02,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:02,569 INFO L175 Difference]: Start difference. First operand has 268 places, 254 transitions, 788 flow. Second operand 3 states and 2997 transitions. [2023-08-29 18:56:02,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 305 transitions, 1215 flow [2023-08-29 18:56:02,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 305 transitions, 1215 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:56:02,645 INFO L231 Difference]: Finished difference. Result has 269 places, 254 transitions, 798 flow [2023-08-29 18:56:02,645 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=269, PETRI_TRANSITIONS=254} [2023-08-29 18:56:02,646 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -47 predicate places. [2023-08-29 18:56:02,646 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 254 transitions, 798 flow [2023-08-29 18:56:02,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 971.3333333333334) internal successors, (2914), 3 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:02,647 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:56:02,647 INFO L208 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] [2023-08-29 18:56:02,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 18:56:02,647 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:56:02,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:56:02,648 INFO L85 PathProgramCache]: Analyzing trace with hash 510012216, now seen corresponding path program 1 times [2023-08-29 18:56:02,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:56:02,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197374850] [2023-08-29 18:56:02,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:56:02,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:56:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:56:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:56:02,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:56:02,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197374850] [2023-08-29 18:56:02,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197374850] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:56:02,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:56:02,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:56:02,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972458277] [2023-08-29 18:56:02,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:56:02,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:56:02,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:56:02,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:56:02,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:56:02,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-29 18:56:02,749 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 254 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:02,749 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:56:02,749 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-29 18:56:02,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:56:16,963 INFO L130 PetriNetUnfolder]: 35939/114788 cut-off events. [2023-08-29 18:56:16,963 INFO L131 PetriNetUnfolder]: For 13503/13825 co-relation queries the response was YES. [2023-08-29 18:56:18,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191746 conditions, 114788 events. 35939/114788 cut-off events. For 13503/13825 co-relation queries the response was YES. Maximal size of possible extension queue 2479. Compared 1664109 event pairs, 21298 based on Foata normal form. 0/107550 useless extension candidates. Maximal degree in co-relation 191716. Up to 40094 conditions per place. [2023-08-29 18:56:18,967 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 122 selfloop transitions, 3 changer transitions 0/297 dead transitions. [2023-08-29 18:56:18,967 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 297 transitions, 1180 flow [2023-08-29 18:56:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:56:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:56:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2986 transitions. [2023-08-29 18:56:18,969 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026936026936027 [2023-08-29 18:56:18,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2986 transitions. [2023-08-29 18:56:18,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2986 transitions. [2023-08-29 18:56:18,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:56:18,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2986 transitions. [2023-08-29 18:56:18,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 995.3333333333334) internal successors, (2986), 3 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:18,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:18,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:18,976 INFO L175 Difference]: Start difference. First operand has 269 places, 254 transitions, 798 flow. Second operand 3 states and 2986 transitions. [2023-08-29 18:56:18,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 297 transitions, 1180 flow [2023-08-29 18:56:19,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 297 transitions, 1180 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:56:19,057 INFO L231 Difference]: Finished difference. Result has 273 places, 256 transitions, 820 flow [2023-08-29 18:56:19,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=273, PETRI_TRANSITIONS=256} [2023-08-29 18:56:19,058 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -43 predicate places. [2023-08-29 18:56:19,058 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 256 transitions, 820 flow [2023-08-29 18:56:19,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:19,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:56:19,058 INFO L208 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] [2023-08-29 18:56:19,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 18:56:19,059 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:56:19,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:56:19,059 INFO L85 PathProgramCache]: Analyzing trace with hash -212321600, now seen corresponding path program 1 times [2023-08-29 18:56:19,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:56:19,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532097736] [2023-08-29 18:56:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:56:19,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:56:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:56:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:56:19,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:56:19,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532097736] [2023-08-29 18:56:19,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532097736] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:56:19,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:56:19,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:56:19,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863250061] [2023-08-29 18:56:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:56:19,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:56:19,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:56:19,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:56:19,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:56:19,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 1980 [2023-08-29 18:56:19,422 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 256 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 954.0) internal successors, (2862), 3 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:19,422 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:56:19,422 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 1980 [2023-08-29 18:56:19,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:56:35,244 INFO L130 PetriNetUnfolder]: 39964/111753 cut-off events. [2023-08-29 18:56:35,244 INFO L131 PetriNetUnfolder]: For 23277/23629 co-relation queries the response was YES. [2023-08-29 18:56:36,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206128 conditions, 111753 events. 39964/111753 cut-off events. For 23277/23629 co-relation queries the response was YES. Maximal size of possible extension queue 2600. Compared 1537866 event pairs, 17978 based on Foata normal form. 1/104721 useless extension candidates. Maximal degree in co-relation 206096. Up to 32256 conditions per place. [2023-08-29 18:56:36,890 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 139 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2023-08-29 18:56:36,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 309 transitions, 1277 flow [2023-08-29 18:56:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:56:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:56:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2945 transitions. [2023-08-29 18:56:36,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4957912457912458 [2023-08-29 18:56:36,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2945 transitions. [2023-08-29 18:56:36,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2945 transitions. [2023-08-29 18:56:36,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:56:36,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2945 transitions. [2023-08-29 18:56:36,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 981.6666666666666) internal successors, (2945), 3 states have internal predecessors, (2945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:36,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:36,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:36,897 INFO L175 Difference]: Start difference. First operand has 273 places, 256 transitions, 820 flow. Second operand 3 states and 2945 transitions. [2023-08-29 18:56:36,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 309 transitions, 1277 flow [2023-08-29 18:56:37,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 309 transitions, 1267 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:56:37,578 INFO L231 Difference]: Finished difference. Result has 272 places, 256 transitions, 824 flow [2023-08-29 18:56:37,579 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=272, PETRI_TRANSITIONS=256} [2023-08-29 18:56:37,579 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -44 predicate places. [2023-08-29 18:56:37,579 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 256 transitions, 824 flow [2023-08-29 18:56:37,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 954.0) internal successors, (2862), 3 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:37,580 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:56:37,580 INFO L208 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] [2023-08-29 18:56:37,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 18:56:37,580 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:56:37,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:56:37,580 INFO L85 PathProgramCache]: Analyzing trace with hash 781802555, now seen corresponding path program 1 times [2023-08-29 18:56:37,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:56:37,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417673688] [2023-08-29 18:56:37,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:56:37,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:56:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:56:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:56:37,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:56:37,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417673688] [2023-08-29 18:56:37,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417673688] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:56:37,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:56:37,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:56:37,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29394590] [2023-08-29 18:56:37,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:56:37,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:56:37,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:56:37,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:56:37,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:56:37,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-29 18:56:37,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 256 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:37,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:56:37,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-29 18:56:37,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:56:51,504 INFO L130 PetriNetUnfolder]: 37163/106510 cut-off events. [2023-08-29 18:56:51,505 INFO L131 PetriNetUnfolder]: For 15607/15950 co-relation queries the response was YES. [2023-08-29 18:56:52,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193470 conditions, 106510 events. 37163/106510 cut-off events. For 15607/15950 co-relation queries the response was YES. Maximal size of possible extension queue 2510. Compared 1478998 event pairs, 25139 based on Foata normal form. 2554/101119 useless extension candidates. Maximal degree in co-relation 193438. Up to 46889 conditions per place. [2023-08-29 18:56:53,356 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 121 selfloop transitions, 4 changer transitions 0/296 dead transitions. [2023-08-29 18:56:53,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 296 transitions, 1199 flow [2023-08-29 18:56:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:56:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:56:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2984 transitions. [2023-08-29 18:56:53,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023569023569023 [2023-08-29 18:56:53,359 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2984 transitions. [2023-08-29 18:56:53,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2984 transitions. [2023-08-29 18:56:53,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:56:53,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2984 transitions. [2023-08-29 18:56:53,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 994.6666666666666) internal successors, (2984), 3 states have internal predecessors, (2984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:53,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:53,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:53,364 INFO L175 Difference]: Start difference. First operand has 272 places, 256 transitions, 824 flow. Second operand 3 states and 2984 transitions. [2023-08-29 18:56:53,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 296 transitions, 1199 flow [2023-08-29 18:56:53,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 296 transitions, 1199 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:56:53,551 INFO L231 Difference]: Finished difference. Result has 273 places, 255 transitions, 830 flow [2023-08-29 18:56:53,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=273, PETRI_TRANSITIONS=255} [2023-08-29 18:56:53,551 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -43 predicate places. [2023-08-29 18:56:53,551 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 255 transitions, 830 flow [2023-08-29 18:56:53,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:53,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:56:53,552 INFO L208 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] [2023-08-29 18:56:53,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-29 18:56:53,552 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:56:53,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:56:53,552 INFO L85 PathProgramCache]: Analyzing trace with hash -238542970, now seen corresponding path program 1 times [2023-08-29 18:56:53,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:56:53,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537342756] [2023-08-29 18:56:53,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:56:53,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:56:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:56:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:56:53,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:56:53,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537342756] [2023-08-29 18:56:53,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537342756] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:56:53,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:56:53,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:56:53,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867482501] [2023-08-29 18:56:53,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:56:53,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:56:53,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:56:53,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:56:53,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:56:53,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-29 18:56:53,639 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 255 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 970.0) internal successors, (2910), 3 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:53,640 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:56:53,640 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-29 18:56:53,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:57:07,602 INFO L130 PetriNetUnfolder]: 37163/106536 cut-off events. [2023-08-29 18:57:07,602 INFO L131 PetriNetUnfolder]: For 22680/23002 co-relation queries the response was YES. [2023-08-29 18:57:08,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198635 conditions, 106536 events. 37163/106536 cut-off events. For 22680/23002 co-relation queries the response was YES. Maximal size of possible extension queue 2494. Compared 1477288 event pairs, 25455 based on Foata normal form. 2426/102043 useless extension candidates. Maximal degree in co-relation 198602. Up to 47397 conditions per place. [2023-08-29 18:57:09,238 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 121 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2023-08-29 18:57:09,239 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 295 transitions, 1214 flow [2023-08-29 18:57:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:57:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:57:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2984 transitions. [2023-08-29 18:57:09,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023569023569023 [2023-08-29 18:57:09,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2984 transitions. [2023-08-29 18:57:09,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2984 transitions. [2023-08-29 18:57:09,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:57:09,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2984 transitions. [2023-08-29 18:57:09,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 994.6666666666666) internal successors, (2984), 3 states have internal predecessors, (2984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:09,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:09,246 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:09,246 INFO L175 Difference]: Start difference. First operand has 273 places, 255 transitions, 830 flow. Second operand 3 states and 2984 transitions. [2023-08-29 18:57:09,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 295 transitions, 1214 flow [2023-08-29 18:57:10,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 295 transitions, 1198 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:57:10,098 INFO L231 Difference]: Finished difference. Result has 272 places, 254 transitions, 828 flow [2023-08-29 18:57:10,098 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=272, PETRI_TRANSITIONS=254} [2023-08-29 18:57:10,099 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -44 predicate places. [2023-08-29 18:57:10,099 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 254 transitions, 828 flow [2023-08-29 18:57:10,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 970.0) internal successors, (2910), 3 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:10,099 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:57:10,099 INFO L208 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] [2023-08-29 18:57:10,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-29 18:57:10,100 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:57:10,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:57:10,100 INFO L85 PathProgramCache]: Analyzing trace with hash 176138494, now seen corresponding path program 1 times [2023-08-29 18:57:10,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:57:10,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126922776] [2023-08-29 18:57:10,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:57:10,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:57:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:57:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:57:10,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:57:10,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126922776] [2023-08-29 18:57:10,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126922776] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:57:10,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:57:10,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:57:10,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935575571] [2023-08-29 18:57:10,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:57:10,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:57:10,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:57:10,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:57:10,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:57:11,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 945 out of 1980 [2023-08-29 18:57:11,197 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 254 transitions, 828 flow. Second operand has 6 states, 6 states have (on average 950.5) internal successors, (5703), 6 states have internal predecessors, (5703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:11,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:57:11,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 945 of 1980 [2023-08-29 18:57:11,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:57:26,102 INFO L130 PetriNetUnfolder]: 42000/111640 cut-off events. [2023-08-29 18:57:26,102 INFO L131 PetriNetUnfolder]: For 24837/25159 co-relation queries the response was YES. [2023-08-29 18:57:27,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214237 conditions, 111640 events. 42000/111640 cut-off events. For 24837/25159 co-relation queries the response was YES. Maximal size of possible extension queue 2585. Compared 1503800 event pairs, 28827 based on Foata normal form. 0/104662 useless extension candidates. Maximal degree in co-relation 214204. Up to 52786 conditions per place. [2023-08-29 18:57:27,776 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 228 selfloop transitions, 4 changer transitions 0/397 dead transitions. [2023-08-29 18:57:27,776 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 397 transitions, 1782 flow [2023-08-29 18:57:27,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:57:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:57:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5854 transitions. [2023-08-29 18:57:27,780 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927609427609428 [2023-08-29 18:57:27,780 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5854 transitions. [2023-08-29 18:57:27,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5854 transitions. [2023-08-29 18:57:27,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:57:27,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5854 transitions. [2023-08-29 18:57:27,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 975.6666666666666) internal successors, (5854), 6 states have internal predecessors, (5854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:27,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:27,789 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:27,789 INFO L175 Difference]: Start difference. First operand has 272 places, 254 transitions, 828 flow. Second operand 6 states and 5854 transitions. [2023-08-29 18:57:27,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 397 transitions, 1782 flow [2023-08-29 18:57:28,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 397 transitions, 1742 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:57:28,614 INFO L231 Difference]: Finished difference. Result has 274 places, 253 transitions, 826 flow [2023-08-29 18:57:28,615 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=826, PETRI_PLACES=274, PETRI_TRANSITIONS=253} [2023-08-29 18:57:28,615 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -42 predicate places. [2023-08-29 18:57:28,615 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 253 transitions, 826 flow [2023-08-29 18:57:28,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 950.5) internal successors, (5703), 6 states have internal predecessors, (5703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:28,616 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:57:28,617 INFO L208 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] [2023-08-29 18:57:28,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-29 18:57:28,617 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-29 18:57:28,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:57:28,617 INFO L85 PathProgramCache]: Analyzing trace with hash 777227054, now seen corresponding path program 1 times [2023-08-29 18:57:28,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:57:28,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421662118] [2023-08-29 18:57:28,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:57:28,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:57:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:57:29,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 18:57:29,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:57:29,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421662118] [2023-08-29 18:57:29,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421662118] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:57:29,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:57:29,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:57:29,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396210371] [2023-08-29 18:57:29,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:57:29,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:57:29,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:57:29,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:57:29,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:57:30,038 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 945 out of 1980 [2023-08-29 18:57:30,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 253 transitions, 826 flow. Second operand has 6 states, 6 states have (on average 952.1666666666666) internal successors, (5713), 6 states have internal predecessors, (5713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:30,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:57:30,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 945 of 1980 [2023-08-29 18:57:30,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:57:44,071 INFO L130 PetriNetUnfolder]: 37301/106817 cut-off events. [2023-08-29 18:57:44,071 INFO L131 PetriNetUnfolder]: For 16973/17316 co-relation queries the response was YES. [2023-08-29 18:57:45,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197018 conditions, 106817 events. 37301/106817 cut-off events. For 16973/17316 co-relation queries the response was YES. Maximal size of possible extension queue 2492. Compared 1481584 event pairs, 29846 based on Foata normal form. 0/99333 useless extension candidates. Maximal degree in co-relation 196985. Up to 54806 conditions per place. [2023-08-29 18:57:45,482 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 0 selfloop transitions, 0 changer transitions 328/328 dead transitions. [2023-08-29 18:57:45,482 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 328 transitions, 1356 flow [2023-08-29 18:57:45,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:57:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:57:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5810 transitions. [2023-08-29 18:57:45,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4890572390572391 [2023-08-29 18:57:45,488 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5810 transitions. [2023-08-29 18:57:45,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5810 transitions. [2023-08-29 18:57:45,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:57:45,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5810 transitions. [2023-08-29 18:57:45,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 968.3333333333334) internal successors, (5810), 6 states have internal predecessors, (5810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:45,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:45,500 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:45,500 INFO L175 Difference]: Start difference. First operand has 274 places, 253 transitions, 826 flow. Second operand 6 states and 5810 transitions. [2023-08-29 18:57:45,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 328 transitions, 1356 flow [2023-08-29 18:57:45,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 328 transitions, 1349 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:57:45,770 INFO L231 Difference]: Finished difference. Result has 274 places, 0 transitions, 0 flow [2023-08-29 18:57:45,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=274, PETRI_TRANSITIONS=0} [2023-08-29 18:57:45,771 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -42 predicate places. [2023-08-29 18:57:45,771 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 0 transitions, 0 flow [2023-08-29 18:57:45,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 952.1666666666666) internal successors, (5713), 6 states have internal predecessors, (5713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:57:45,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (194 of 195 remaining) [2023-08-29 18:57:45,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (193 of 195 remaining) [2023-08-29 18:57:45,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (192 of 195 remaining) [2023-08-29 18:57:45,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (191 of 195 remaining) [2023-08-29 18:57:45,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (190 of 195 remaining) [2023-08-29 18:57:45,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (189 of 195 remaining) [2023-08-29 18:57:45,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (188 of 195 remaining) [2023-08-29 18:57:45,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (187 of 195 remaining) [2023-08-29 18:57:45,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (186 of 195 remaining) [2023-08-29 18:57:45,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (185 of 195 remaining) [2023-08-29 18:57:45,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (184 of 195 remaining) [2023-08-29 18:57:45,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (183 of 195 remaining) [2023-08-29 18:57:45,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (182 of 195 remaining) [2023-08-29 18:57:45,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (181 of 195 remaining) [2023-08-29 18:57:45,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (180 of 195 remaining) [2023-08-29 18:57:45,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (179 of 195 remaining) [2023-08-29 18:57:45,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (178 of 195 remaining) [2023-08-29 18:57:45,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (177 of 195 remaining) [2023-08-29 18:57:45,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (176 of 195 remaining) [2023-08-29 18:57:45,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (175 of 195 remaining) [2023-08-29 18:57:45,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (174 of 195 remaining) [2023-08-29 18:57:45,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (173 of 195 remaining) [2023-08-29 18:57:45,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (172 of 195 remaining) [2023-08-29 18:57:45,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (171 of 195 remaining) [2023-08-29 18:57:45,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (170 of 195 remaining) [2023-08-29 18:57:45,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (169 of 195 remaining) [2023-08-29 18:57:45,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (168 of 195 remaining) [2023-08-29 18:57:45,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (167 of 195 remaining) [2023-08-29 18:57:45,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (166 of 195 remaining) [2023-08-29 18:57:45,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (165 of 195 remaining) [2023-08-29 18:57:45,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (164 of 195 remaining) [2023-08-29 18:57:45,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (163 of 195 remaining) [2023-08-29 18:57:45,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (162 of 195 remaining) [2023-08-29 18:57:45,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (161 of 195 remaining) [2023-08-29 18:57:45,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (160 of 195 remaining) [2023-08-29 18:57:45,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (159 of 195 remaining) [2023-08-29 18:57:45,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (158 of 195 remaining) [2023-08-29 18:57:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (157 of 195 remaining) [2023-08-29 18:57:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (156 of 195 remaining) [2023-08-29 18:57:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 195 remaining) [2023-08-29 18:57:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (154 of 195 remaining) [2023-08-29 18:57:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (153 of 195 remaining) [2023-08-29 18:57:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (152 of 195 remaining) [2023-08-29 18:57:45,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 195 remaining) [2023-08-29 18:57:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 195 remaining) [2023-08-29 18:57:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (149 of 195 remaining) [2023-08-29 18:57:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (148 of 195 remaining) [2023-08-29 18:57:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (147 of 195 remaining) [2023-08-29 18:57:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (146 of 195 remaining) [2023-08-29 18:57:45,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (145 of 195 remaining) [2023-08-29 18:57:45,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (144 of 195 remaining) [2023-08-29 18:57:45,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (143 of 195 remaining) [2023-08-29 18:57:45,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (142 of 195 remaining) [2023-08-29 18:57:45,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (141 of 195 remaining) [2023-08-29 18:57:45,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (140 of 195 remaining) [2023-08-29 18:57:45,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (139 of 195 remaining) [2023-08-29 18:57:45,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (138 of 195 remaining) [2023-08-29 18:57:45,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (137 of 195 remaining) [2023-08-29 18:57:45,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (136 of 195 remaining) [2023-08-29 18:57:45,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (135 of 195 remaining) [2023-08-29 18:57:45,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (134 of 195 remaining) [2023-08-29 18:57:45,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (133 of 195 remaining) [2023-08-29 18:57:45,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 195 remaining) [2023-08-29 18:57:45,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (131 of 195 remaining) [2023-08-29 18:57:45,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (130 of 195 remaining) [2023-08-29 18:57:45,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (129 of 195 remaining) [2023-08-29 18:57:45,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (128 of 195 remaining) [2023-08-29 18:57:45,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (127 of 195 remaining) [2023-08-29 18:57:45,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (126 of 195 remaining) [2023-08-29 18:57:45,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (125 of 195 remaining) [2023-08-29 18:57:45,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (124 of 195 remaining) [2023-08-29 18:57:45,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (123 of 195 remaining) [2023-08-29 18:57:45,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (122 of 195 remaining) [2023-08-29 18:57:45,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (121 of 195 remaining) [2023-08-29 18:57:45,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (120 of 195 remaining) [2023-08-29 18:57:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (119 of 195 remaining) [2023-08-29 18:57:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (118 of 195 remaining) [2023-08-29 18:57:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (117 of 195 remaining) [2023-08-29 18:57:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (116 of 195 remaining) [2023-08-29 18:57:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (115 of 195 remaining) [2023-08-29 18:57:45,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (114 of 195 remaining) [2023-08-29 18:57:45,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (113 of 195 remaining) [2023-08-29 18:57:45,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (112 of 195 remaining) [2023-08-29 18:57:45,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (111 of 195 remaining) [2023-08-29 18:57:45,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (110 of 195 remaining) [2023-08-29 18:57:45,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (109 of 195 remaining) [2023-08-29 18:57:45,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (108 of 195 remaining) [2023-08-29 18:57:45,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (107 of 195 remaining) [2023-08-29 18:57:45,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (106 of 195 remaining) [2023-08-29 18:57:45,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (105 of 195 remaining) [2023-08-29 18:57:45,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (104 of 195 remaining) [2023-08-29 18:57:45,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (103 of 195 remaining) [2023-08-29 18:57:45,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (102 of 195 remaining) [2023-08-29 18:57:45,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (101 of 195 remaining) [2023-08-29 18:57:45,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (100 of 195 remaining) [2023-08-29 18:57:45,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (99 of 195 remaining) [2023-08-29 18:57:45,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (98 of 195 remaining) [2023-08-29 18:57:45,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (97 of 195 remaining) [2023-08-29 18:57:45,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (96 of 195 remaining) [2023-08-29 18:57:45,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (95 of 195 remaining) [2023-08-29 18:57:45,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (94 of 195 remaining) [2023-08-29 18:57:45,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (93 of 195 remaining) [2023-08-29 18:57:45,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (92 of 195 remaining) [2023-08-29 18:57:45,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (91 of 195 remaining) [2023-08-29 18:57:45,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (90 of 195 remaining) [2023-08-29 18:57:45,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (89 of 195 remaining) [2023-08-29 18:57:45,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (88 of 195 remaining) [2023-08-29 18:57:45,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (87 of 195 remaining) [2023-08-29 18:57:45,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (86 of 195 remaining) [2023-08-29 18:57:45,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (85 of 195 remaining) [2023-08-29 18:57:45,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (84 of 195 remaining) [2023-08-29 18:57:45,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (83 of 195 remaining) [2023-08-29 18:57:45,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (82 of 195 remaining) [2023-08-29 18:57:45,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (81 of 195 remaining) [2023-08-29 18:57:45,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (80 of 195 remaining) [2023-08-29 18:57:45,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (79 of 195 remaining) [2023-08-29 18:57:45,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (78 of 195 remaining) [2023-08-29 18:57:45,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 195 remaining) [2023-08-29 18:57:45,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 195 remaining) [2023-08-29 18:57:45,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (75 of 195 remaining) [2023-08-29 18:57:45,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 195 remaining) [2023-08-29 18:57:45,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (73 of 195 remaining) [2023-08-29 18:57:45,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (72 of 195 remaining) [2023-08-29 18:57:45,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 195 remaining) [2023-08-29 18:57:45,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (70 of 195 remaining) [2023-08-29 18:57:45,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (69 of 195 remaining) [2023-08-29 18:57:45,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 195 remaining) [2023-08-29 18:57:45,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (67 of 195 remaining) [2023-08-29 18:57:45,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 195 remaining) [2023-08-29 18:57:45,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (65 of 195 remaining) [2023-08-29 18:57:45,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (64 of 195 remaining) [2023-08-29 18:57:45,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (63 of 195 remaining) [2023-08-29 18:57:45,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (62 of 195 remaining) [2023-08-29 18:57:45,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (61 of 195 remaining) [2023-08-29 18:57:45,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (60 of 195 remaining) [2023-08-29 18:57:45,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (59 of 195 remaining) [2023-08-29 18:57:45,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (58 of 195 remaining) [2023-08-29 18:57:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (57 of 195 remaining) [2023-08-29 18:57:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (56 of 195 remaining) [2023-08-29 18:57:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (55 of 195 remaining) [2023-08-29 18:57:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (54 of 195 remaining) [2023-08-29 18:57:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (53 of 195 remaining) [2023-08-29 18:57:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (52 of 195 remaining) [2023-08-29 18:57:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (51 of 195 remaining) [2023-08-29 18:57:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (50 of 195 remaining) [2023-08-29 18:57:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 195 remaining) [2023-08-29 18:57:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 195 remaining) [2023-08-29 18:57:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 195 remaining) [2023-08-29 18:57:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 195 remaining) [2023-08-29 18:57:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 195 remaining) [2023-08-29 18:57:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 195 remaining) [2023-08-29 18:57:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 195 remaining) [2023-08-29 18:57:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 195 remaining) [2023-08-29 18:57:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 195 remaining) [2023-08-29 18:57:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 195 remaining) [2023-08-29 18:57:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 195 remaining) [2023-08-29 18:57:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 195 remaining) [2023-08-29 18:57:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (37 of 195 remaining) [2023-08-29 18:57:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (36 of 195 remaining) [2023-08-29 18:57:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (35 of 195 remaining) [2023-08-29 18:57:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (34 of 195 remaining) [2023-08-29 18:57:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (33 of 195 remaining) [2023-08-29 18:57:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (32 of 195 remaining) [2023-08-29 18:57:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (31 of 195 remaining) [2023-08-29 18:57:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (30 of 195 remaining) [2023-08-29 18:57:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (29 of 195 remaining) [2023-08-29 18:57:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (28 of 195 remaining) [2023-08-29 18:57:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (27 of 195 remaining) [2023-08-29 18:57:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (26 of 195 remaining) [2023-08-29 18:57:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (25 of 195 remaining) [2023-08-29 18:57:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 195 remaining) [2023-08-29 18:57:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 195 remaining) [2023-08-29 18:57:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 195 remaining) [2023-08-29 18:57:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 195 remaining) [2023-08-29 18:57:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (20 of 195 remaining) [2023-08-29 18:57:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (19 of 195 remaining) [2023-08-29 18:57:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (18 of 195 remaining) [2023-08-29 18:57:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (17 of 195 remaining) [2023-08-29 18:57:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (16 of 195 remaining) [2023-08-29 18:57:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (15 of 195 remaining) [2023-08-29 18:57:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (14 of 195 remaining) [2023-08-29 18:57:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (13 of 195 remaining) [2023-08-29 18:57:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (12 of 195 remaining) [2023-08-29 18:57:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (11 of 195 remaining) [2023-08-29 18:57:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (10 of 195 remaining) [2023-08-29 18:57:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (9 of 195 remaining) [2023-08-29 18:57:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (8 of 195 remaining) [2023-08-29 18:57:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (7 of 195 remaining) [2023-08-29 18:57:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (6 of 195 remaining) [2023-08-29 18:57:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (5 of 195 remaining) [2023-08-29 18:57:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (4 of 195 remaining) [2023-08-29 18:57:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (3 of 195 remaining) [2023-08-29 18:57:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (2 of 195 remaining) [2023-08-29 18:57:45,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (1 of 195 remaining) [2023-08-29 18:57:45,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (0 of 195 remaining) [2023-08-29 18:57:45,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-29 18:57:45,807 INFO L445 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] [2023-08-29 18:57:45,813 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:57:45,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:57:45,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:57:45 BasicIcfg [2023-08-29 18:57:45,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:57:45,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:57:45,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:57:45,818 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:57:45,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:51" (3/4) ... [2023-08-29 18:57:45,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:57:45,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:57:45,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:57:45,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 18:57:45,835 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2023-08-29 18:57:45,836 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:57:45,837 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:57:45,838 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:57:45,906 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:57:45,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:57:45,907 INFO L158 Benchmark]: Toolchain (without parser) took 296334.46ms. Allocated memory was 88.1MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 66.9MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2023-08-29 18:57:45,907 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:57:45,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.92ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 51.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 18:57:45,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.61ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 46.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:57:45,908 INFO L158 Benchmark]: Boogie Preprocessor took 130.28ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 64.9MB in the end (delta: -18.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-08-29 18:57:45,908 INFO L158 Benchmark]: RCFGBuilder took 1160.37ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 50.5MB in the end (delta: 14.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-08-29 18:57:45,908 INFO L158 Benchmark]: TraceAbstraction took 294452.24ms. Allocated memory was 88.1MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 49.8MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2023-08-29 18:57:45,909 INFO L158 Benchmark]: Witness Printer took 88.55ms. Allocated memory is still 16.1GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 18:57:45,910 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 69.2MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.92ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 51.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.61ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 46.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.28ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 64.9MB in the end (delta: -18.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.37ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 50.5MB in the end (delta: 14.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * TraceAbstraction took 294452.24ms. Allocated memory was 88.1MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 49.8MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. * Witness Printer took 88.55ms. Allocated memory is still 16.1GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.8s, 945 PlacesBefore, 316 PlacesAfterwards, 981 TransitionsBefore, 318 TransitionsAfterwards, 148920 CoEnabledTransitionPairs, 11 FixpointIterations, 571 TrivialSequentialCompositions, 260 ConcurrentSequentialCompositions, 76 TrivialYvCompositions, 34 ConcurrentYvCompositions, 34 ChoiceCompositions, 975 TotalNumberOfCompositions, 1148505 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 283634, independent: 278231, independent conditional: 0, independent unconditional: 278231, dependent: 5403, dependent conditional: 0, dependent unconditional: 5403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 72551, independent: 72111, independent conditional: 0, independent unconditional: 72111, dependent: 440, dependent conditional: 0, dependent unconditional: 440, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283634, independent: 206120, independent conditional: 0, independent unconditional: 206120, dependent: 4963, dependent conditional: 0, dependent unconditional: 4963, unknown: 72551, unknown conditional: 0, unknown unconditional: 72551] , Statistics on independence cache: Total cache size (in pairs): 12253, Positive cache size: 11948, Positive conditional cache size: 0, Positive unconditional cache size: 11948, Negative cache size: 305, Negative conditional cache size: 0, Negative unconditional cache size: 305, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 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: 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: 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: 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: 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: 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: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 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: 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: 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: 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: 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: 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: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 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: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: 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: 131]: 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: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 1387 locations, 195 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: 294.2s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 264.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 23.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7567 SdHoareTripleChecker+Valid, 10.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4167 mSDsluCounter, 540 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 2102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12218 IncrementalHoareTripleChecker+Invalid, 14320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2102 mSolverCounterUnsat, 363 mSDtfsCounter, 12218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=830occurred in iteration=26, InterpolantAutomatonStates: 109, 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, 5.2s InterpolantComputationTime, 945 NumberOfCodeBlocks, 945 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 916 ConstructedInterpolants, 0 QuantifiedInterpolants, 1648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 123/123 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 117 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:57:45,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE